Home / 16,712.12-23,061.84-9,156.98

Finding the Fourth Proportional to 16,712.12, 23,061.84 and 9,156.98

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Solution

The fourth proportional to 16,712.12, 23,061.84 and 9,156.98 is: 12,636.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,712.12 : 23,061.84 = 9,156.98 : x
  2. Step 2: Convert to fraction form
    16,712.12/23,061.84 = 9,156.98/x
  3. Step 3: Cross multiply
    16,712.12x = 23,061.84 × 9,156.98
  4. Step 4: Simplify right side
    16,712.12x = 211,176,807.64
  5. Step 5: Solve for x
    x = 211,176,807.64/16,712.12
  6. Step 6: Final answer
    x = 12,636.15

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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.