Home / 10,117.06-15,150.96-6,988.72

Finding the Fourth Proportional to 10,117.06, 15,150.96 and 6,988.72

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Solution

The fourth proportional to 10,117.06, 15,150.96 and 6,988.72 is: 10,466.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.06 : 15,150.96 = 6,988.72 : x
  2. Step 2: Convert to fraction form
    10,117.06/15,150.96 = 6,988.72/x
  3. Step 3: Cross multiply
    10,117.06x = 15,150.96 × 6,988.72
  4. Step 4: Simplify right side
    10,117.06x = 105,885,817.17
  5. Step 5: Solve for x
    x = 105,885,817.17/10,117.06
  6. Step 6: Final answer
    x = 10,466.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.