Home / 15,210.78-22,800.64-10,280.91

Finding the Fourth Proportional to 15,210.78, 22,800.64 and 10,280.91

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Solution

The fourth proportional to 15,210.78, 22,800.64 and 10,280.91 is: 15,410.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,210.78 : 22,800.64 = 10,280.91 : x
  2. Step 2: Convert to fraction form
    15,210.78/22,800.64 = 10,280.91/x
  3. Step 3: Cross multiply
    15,210.78x = 22,800.64 × 10,280.91
  4. Step 4: Simplify right side
    15,210.78x = 234,411,327.78
  5. Step 5: Solve for x
    x = 234,411,327.78/15,210.78
  6. Step 6: Final answer
    x = 15,410.87

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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.