Home / 15,663.85-23,488.00-4,988.81

Finding the Fourth Proportional to 15,663.85, 23,488.00 and 4,988.81

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Solution

The fourth proportional to 15,663.85, 23,488.00 and 4,988.81 is: 7,480.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,663.85 : 23,488.00 = 4,988.81 : x
  2. Step 2: Convert to fraction form
    15,663.85/23,488.00 = 4,988.81/x
  3. Step 3: Cross multiply
    15,663.85x = 23,488.00 × 4,988.81
  4. Step 4: Simplify right side
    15,663.85x = 117,177,206.17
  5. Step 5: Solve for x
    x = 117,177,206.17/15,663.85
  6. Step 6: Final answer
    x = 7,480.74

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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.