Home / 21,295.04-29,387.16-12,344.24

Finding the Fourth Proportional to 21,295.04, 29,387.16 and 12,344.24

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Solution

The fourth proportional to 21,295.04, 29,387.16 and 12,344.24 is: 17,035.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,295.04 : 29,387.16 = 12,344.24 : x
  2. Step 2: Convert to fraction form
    21,295.04/29,387.16 = 12,344.24/x
  3. Step 3: Cross multiply
    21,295.04x = 29,387.16 × 12,344.24
  4. Step 4: Simplify right side
    21,295.04x = 362,762,155.96
  5. Step 5: Solve for x
    x = 362,762,155.96/21,295.04
  6. Step 6: Final answer
    x = 17,035.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.