Home / 16,459.12-22,717.02-15,130.72

Finding the Fourth Proportional to 16,459.12, 22,717.02 and 15,130.72

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Solution

The fourth proportional to 16,459.12, 22,717.02 and 15,130.72 is: 20,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,459.12 : 22,717.02 = 15,130.72 : x
  2. Step 2: Convert to fraction form
    16,459.12/22,717.02 = 15,130.72/x
  3. Step 3: Cross multiply
    16,459.12x = 22,717.02 × 15,130.72
  4. Step 4: Simplify right side
    16,459.12x = 343,724,868.85
  5. Step 5: Solve for x
    x = 343,724,868.85/16,459.12
  6. Step 6: Final answer
    x = 20,883.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.