Home / 17,051.40-23,531.28-9,981.90

Finding the Fourth Proportional to 17,051.40, 23,531.28 and 9,981.90

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Solution

The fourth proportional to 17,051.40, 23,531.28 and 9,981.90 is: 13,775.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,051.40 : 23,531.28 = 9,981.90 : x
  2. Step 2: Convert to fraction form
    17,051.40/23,531.28 = 9,981.90/x
  3. Step 3: Cross multiply
    17,051.40x = 23,531.28 × 9,981.90
  4. Step 4: Simplify right side
    17,051.40x = 234,886,883.83
  5. Step 5: Solve for x
    x = 234,886,883.83/17,051.40
  6. Step 6: Final answer
    x = 13,775.23

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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.