Home / 15,534.80-23,300.40-4,443.20

Finding the Fourth Proportional to 15,534.80, 23,300.40 and 4,443.20

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Solution

The fourth proportional to 15,534.80, 23,300.40 and 4,443.20 is: 6,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,534.80 : 23,300.40 = 4,443.20 : x
  2. Step 2: Convert to fraction form
    15,534.80/23,300.40 = 4,443.20/x
  3. Step 3: Cross multiply
    15,534.80x = 23,300.40 × 4,443.20
  4. Step 4: Simplify right side
    15,534.80x = 103,528,337.28
  5. Step 5: Solve for x
    x = 103,528,337.28/15,534.80
  6. Step 6: Final answer
    x = 6,664.29

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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.