Home / 15,988.74-23,985.29-5,455.93

Finding the Fourth Proportional to 15,988.74, 23,985.29 and 5,455.93

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Solution

The fourth proportional to 15,988.74, 23,985.29 and 5,455.93 is: 8,184.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988.74 : 23,985.29 = 5,455.93 : x
  2. Step 2: Convert to fraction form
    15,988.74/23,985.29 = 5,455.93/x
  3. Step 3: Cross multiply
    15,988.74x = 23,985.29 × 5,455.93
  4. Step 4: Simplify right side
    15,988.74x = 130,862,063.27
  5. Step 5: Solve for x
    x = 130,862,063.27/15,988.74
  6. Step 6: Final answer
    x = 8,184.64

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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.