Home / 15,133.64-22,701.67-5,272.70

Finding the Fourth Proportional to 15,133.64, 22,701.67 and 5,272.70

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Solution

The fourth proportional to 15,133.64, 22,701.67 and 5,272.70 is: 7,909.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,133.64 : 22,701.67 = 5,272.70 : x
  2. Step 2: Convert to fraction form
    15,133.64/22,701.67 = 5,272.70/x
  3. Step 3: Cross multiply
    15,133.64x = 22,701.67 × 5,272.70
  4. Step 4: Simplify right side
    15,133.64x = 119,698,968.72
  5. Step 5: Solve for x
    x = 119,698,968.72/15,133.64
  6. Step 6: Final answer
    x = 7,909.47

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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.