Home / 13,357.71-18,439.79-9,532.35

Finding the Fourth Proportional to 13,357.71, 18,439.79 and 9,532.35

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Solution

The fourth proportional to 13,357.71, 18,439.79 and 9,532.35 is: 13,159.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.71 : 18,439.79 = 9,532.35 : x
  2. Step 2: Convert to fraction form
    13,357.71/18,439.79 = 9,532.35/x
  3. Step 3: Cross multiply
    13,357.71x = 18,439.79 × 9,532.35
  4. Step 4: Simplify right side
    13,357.71x = 175,774,484.54
  5. Step 5: Solve for x
    x = 175,774,484.54/13,357.71
  6. Step 6: Final answer
    x = 13,159.03

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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.