Home / 16,972.80-23,420.54-9,417.16

Finding the Fourth Proportional to 16,972.80, 23,420.54 and 9,417.16

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Solution

The fourth proportional to 16,972.80, 23,420.54 and 9,417.16 is: 12,994.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.80 : 23,420.54 = 9,417.16 : x
  2. Step 2: Convert to fraction form
    16,972.80/23,420.54 = 9,417.16/x
  3. Step 3: Cross multiply
    16,972.80x = 23,420.54 × 9,417.16
  4. Step 4: Simplify right side
    16,972.80x = 220,554,925.38
  5. Step 5: Solve for x
    x = 220,554,925.38/16,972.80
  6. Step 6: Final answer
    x = 12,994.61

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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.