Home / 16,421.02-22,663.41-9,251.30

Finding the Fourth Proportional to 16,421.02, 22,663.41 and 9,251.30

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Solution

The fourth proportional to 16,421.02, 22,663.41 and 9,251.30 is: 12,768.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,421.02 : 22,663.41 = 9,251.30 : x
  2. Step 2: Convert to fraction form
    16,421.02/22,663.41 = 9,251.30/x
  3. Step 3: Cross multiply
    16,421.02x = 22,663.41 × 9,251.30
  4. Step 4: Simplify right side
    16,421.02x = 209,666,004.93
  5. Step 5: Solve for x
    x = 209,666,004.93/16,421.02
  6. Step 6: Final answer
    x = 12,768.15

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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.