Home / 15,434.80-23,189.10-9,898.99

Finding the Fourth Proportional to 15,434.80, 23,189.10 and 9,898.99

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Solution

The fourth proportional to 15,434.80, 23,189.10 and 9,898.99 is: 14,872.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,434.80 : 23,189.10 = 9,898.99 : x
  2. Step 2: Convert to fraction form
    15,434.80/23,189.10 = 9,898.99/x
  3. Step 3: Cross multiply
    15,434.80x = 23,189.10 × 9,898.99
  4. Step 4: Simplify right side
    15,434.80x = 229,548,669.01
  5. Step 5: Solve for x
    x = 229,548,669.01/15,434.80
  6. Step 6: Final answer
    x = 14,872.15

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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.