Home / 15,810.80-23,717.46-4,717.28

Finding the Fourth Proportional to 15,810.80, 23,717.46 and 4,717.28

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Solution

The fourth proportional to 15,810.80, 23,717.46 and 4,717.28 is: 7,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,810.80 : 23,717.46 = 4,717.28 : x
  2. Step 2: Convert to fraction form
    15,810.80/23,717.46 = 4,717.28/x
  3. Step 3: Cross multiply
    15,810.80x = 23,717.46 × 4,717.28
  4. Step 4: Simplify right side
    15,810.80x = 111,881,899.71
  5. Step 5: Solve for x
    x = 111,881,899.71/15,810.80
  6. Step 6: Final answer
    x = 7,076.30

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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.