Home / 15,430.38-23,155.02-6,665.10

Finding the Fourth Proportional to 15,430.38, 23,155.02 and 6,665.10

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Solution

The fourth proportional to 15,430.38, 23,155.02 and 6,665.10 is: 10,001.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430.38 : 23,155.02 = 6,665.10 : x
  2. Step 2: Convert to fraction form
    15,430.38/23,155.02 = 6,665.10/x
  3. Step 3: Cross multiply
    15,430.38x = 23,155.02 × 6,665.10
  4. Step 4: Simplify right side
    15,430.38x = 154,330,523.80
  5. Step 5: Solve for x
    x = 154,330,523.80/15,430.38
  6. Step 6: Final answer
    x = 10,001.73

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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.