Home / 15,133.12-22,633.29-13,478.90

Finding the Fourth Proportional to 15,133.12, 22,633.29 and 13,478.90

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Solution

The fourth proportional to 15,133.12, 22,633.29 and 13,478.90 is: 20,159.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,133.12 : 22,633.29 = 13,478.90 : x
  2. Step 2: Convert to fraction form
    15,133.12/22,633.29 = 13,478.90/x
  3. Step 3: Cross multiply
    15,133.12x = 22,633.29 × 13,478.90
  4. Step 4: Simplify right side
    15,133.12x = 305,071,739.41
  5. Step 5: Solve for x
    x = 305,071,739.41/15,133.12
  6. Step 6: Final answer
    x = 20,159.21

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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.