Home / 15,424.38-23,130.99-5,561.01

Finding the Fourth Proportional to 15,424.38, 23,130.99 and 5,561.01

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Solution

The fourth proportional to 15,424.38, 23,130.99 and 5,561.01 is: 8,339.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,424.38 : 23,130.99 = 5,561.01 : x
  2. Step 2: Convert to fraction form
    15,424.38/23,130.99 = 5,561.01/x
  3. Step 3: Cross multiply
    15,424.38x = 23,130.99 × 5,561.01
  4. Step 4: Simplify right side
    15,424.38x = 128,631,666.70
  5. Step 5: Solve for x
    x = 128,631,666.70/15,424.38
  6. Step 6: Final answer
    x = 8,339.50

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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.