Home / 9,988.04-13,777.56-6,453.34

Finding the Fourth Proportional to 9,988.04, 13,777.56 and 6,453.34

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Solution

The fourth proportional to 9,988.04, 13,777.56 and 6,453.34 is: 8,901.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.04 : 13,777.56 = 6,453.34 : x
  2. Step 2: Convert to fraction form
    9,988.04/13,777.56 = 6,453.34/x
  3. Step 3: Cross multiply
    9,988.04x = 13,777.56 × 6,453.34
  4. Step 4: Simplify right side
    9,988.04x = 88,911,244.61
  5. Step 5: Solve for x
    x = 88,911,244.61/9,988.04
  6. Step 6: Final answer
    x = 8,901.77

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Similar ratio
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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.