Home / 9,365.31-12,924.12-5,387.20

Finding the Fourth Proportional to 9,365.31, 12,924.12 and 5,387.20

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Solution

The fourth proportional to 9,365.31, 12,924.12 and 5,387.20 is: 7,434.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365.31 : 12,924.12 = 5,387.20 : x
  2. Step 2: Convert to fraction form
    9,365.31/12,924.12 = 5,387.20/x
  3. Step 3: Cross multiply
    9,365.31x = 12,924.12 × 5,387.20
  4. Step 4: Simplify right side
    9,365.31x = 69,624,819.26
  5. Step 5: Solve for x
    x = 69,624,819.26/9,365.31
  6. Step 6: Final answer
    x = 7,434.33

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Find fourth proportional to 9,366.31, 12,925.50 and 5,388.20
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.