Home / 15,113.02-22,612.50-13,578.30

Finding the Fourth Proportional to 15,113.02, 22,612.50 and 13,578.30

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Solution

The fourth proportional to 15,113.02, 22,612.50 and 13,578.30 is: 20,316.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,113.02 : 22,612.50 = 13,578.30 : x
  2. Step 2: Convert to fraction form
    15,113.02/22,612.50 = 13,578.30/x
  3. Step 3: Cross multiply
    15,113.02x = 22,612.50 × 13,578.30
  4. Step 4: Simplify right side
    15,113.02x = 307,039,308.75
  5. Step 5: Solve for x
    x = 307,039,308.75/15,113.02
  6. Step 6: Final answer
    x = 20,316.21

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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.