Home / 17,643.98-24,348.80-9,686.28

Finding the Fourth Proportional to 17,643.98, 24,348.80 and 9,686.28

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Solution

The fourth proportional to 17,643.98, 24,348.80 and 9,686.28 is: 13,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,643.98 : 24,348.80 = 9,686.28 : x
  2. Step 2: Convert to fraction form
    17,643.98/24,348.80 = 9,686.28/x
  3. Step 3: Cross multiply
    17,643.98x = 24,348.80 × 9,686.28
  4. Step 4: Simplify right side
    17,643.98x = 235,849,294.46
  5. Step 5: Solve for x
    x = 235,849,294.46/17,643.98
  6. Step 6: Final answer
    x = 13,367.13

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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.