Home / 21,648.36-32,475.95-9,168.47

Finding the Fourth Proportional to 21,648.36, 32,475.95 and 9,168.47

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Solution

The fourth proportional to 21,648.36, 32,475.95 and 9,168.47 is: 13,754.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,648.36 : 32,475.95 = 9,168.47 : x
  2. Step 2: Convert to fraction form
    21,648.36/32,475.95 = 9,168.47/x
  3. Step 3: Cross multiply
    21,648.36x = 32,475.95 × 9,168.47
  4. Step 4: Simplify right side
    21,648.36x = 297,754,565.07
  5. Step 5: Solve for x
    x = 297,754,565.07/21,648.36
  6. Step 6: Final answer
    x = 13,754.14

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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.