Home / 14,302.64-21,455.42-5,985.29

Finding the Fourth Proportional to 14,302.64, 21,455.42 and 5,985.29

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Solution

The fourth proportional to 14,302.64, 21,455.42 and 5,985.29 is: 8,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,302.64 : 21,455.42 = 5,985.29 : x
  2. Step 2: Convert to fraction form
    14,302.64/21,455.42 = 5,985.29/x
  3. Step 3: Cross multiply
    14,302.64x = 21,455.42 × 5,985.29
  4. Step 4: Simplify right side
    14,302.64x = 128,416,934.48
  5. Step 5: Solve for x
    x = 128,416,934.48/14,302.64
  6. Step 6: Final answer
    x = 8,978.55

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1.5x scale

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.