Home / 19,718.10-29,577.15-17,312.40

Finding the Fourth Proportional to 19,718.10, 29,577.15 and 17,312.40

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Solution

The fourth proportional to 19,718.10, 29,577.15 and 17,312.40 is: 25,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.10 : 29,577.15 = 17,312.40 : x
  2. Step 2: Convert to fraction form
    19,718.10/29,577.15 = 17,312.40/x
  3. Step 3: Cross multiply
    19,718.10x = 29,577.15 × 17,312.40
  4. Step 4: Simplify right side
    19,718.10x = 512,051,451.66
  5. Step 5: Solve for x
    x = 512,051,451.66/19,718.10
  6. Step 6: Final answer
    x = 25,968.60

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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.