Home / 10,309.20-15,461.36-5,924.40

Finding the Fourth Proportional to 10,309.20, 15,461.36 and 5,924.40

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Solution

The fourth proportional to 10,309.20, 15,461.36 and 5,924.40 is: 8,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309.20 : 15,461.36 = 5,924.40 : x
  2. Step 2: Convert to fraction form
    10,309.20/15,461.36 = 5,924.40/x
  3. Step 3: Cross multiply
    10,309.20x = 15,461.36 × 5,924.40
  4. Step 4: Simplify right side
    10,309.20x = 91,599,281.18
  5. Step 5: Solve for x
    x = 91,599,281.18/10,309.20
  6. Step 6: Final answer
    x = 8,885.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.