Home / 17,948.40-24,768.76-9,991.32

Finding the Fourth Proportional to 17,948.40, 24,768.76 and 9,991.32

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Solution

The fourth proportional to 17,948.40, 24,768.76 and 9,991.32 is: 13,788.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,948.40 : 24,768.76 = 9,991.32 : x
  2. Step 2: Convert to fraction form
    17,948.40/24,768.76 = 9,991.32/x
  3. Step 3: Cross multiply
    17,948.40x = 24,768.76 × 9,991.32
  4. Step 4: Simplify right side
    17,948.40x = 247,472,607.16
  5. Step 5: Solve for x
    x = 247,472,607.16/17,948.40
  6. Step 6: Final answer
    x = 13,788.00

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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.