Home / 10,988.47-16,491.59-6,247.54

Finding the Fourth Proportional to 10,988.47, 16,491.59 and 6,247.54

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Solution

The fourth proportional to 10,988.47, 16,491.59 and 6,247.54 is: 9,376.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.47 : 16,491.59 = 6,247.54 : x
  2. Step 2: Convert to fraction form
    10,988.47/16,491.59 = 6,247.54/x
  3. Step 3: Cross multiply
    10,988.47x = 16,491.59 × 6,247.54
  4. Step 4: Simplify right side
    10,988.47x = 103,031,883.81
  5. Step 5: Solve for x
    x = 103,031,883.81/10,988.47
  6. Step 6: Final answer
    x = 9,376.36

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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.