Home / 10,030.10-15,057.30-9,957.20

Finding the Fourth Proportional to 10,030.10, 15,057.30 and 9,957.20

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Solution

The fourth proportional to 10,030.10, 15,057.30 and 9,957.20 is: 14,947.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,030.10 : 15,057.30 = 9,957.20 : x
  2. Step 2: Convert to fraction form
    10,030.10/15,057.30 = 9,957.20/x
  3. Step 3: Cross multiply
    10,030.10x = 15,057.30 × 9,957.20
  4. Step 4: Simplify right side
    10,030.10x = 149,928,547.56
  5. Step 5: Solve for x
    x = 149,928,547.56/10,030.10
  6. Step 6: Final answer
    x = 14,947.86

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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.