Home / 17,118.12-25,681.02-5,720.90

Finding the Fourth Proportional to 17,118.12, 25,681.02 and 5,720.90

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Solution

The fourth proportional to 17,118.12, 25,681.02 and 5,720.90 is: 8,582.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,118.12 : 25,681.02 = 5,720.90 : x
  2. Step 2: Convert to fraction form
    17,118.12/25,681.02 = 5,720.90/x
  3. Step 3: Cross multiply
    17,118.12x = 25,681.02 × 5,720.90
  4. Step 4: Simplify right side
    17,118.12x = 146,918,547.32
  5. Step 5: Solve for x
    x = 146,918,547.32/17,118.12
  6. Step 6: Final answer
    x = 8,582.63

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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.