Home / 15,987.12-23,966.70-6,621.24

Finding the Fourth Proportional to 15,987.12, 23,966.70 and 6,621.24

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Solution

The fourth proportional to 15,987.12, 23,966.70 and 6,621.24 is: 9,926.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.12 : 23,966.70 = 6,621.24 : x
  2. Step 2: Convert to fraction form
    15,987.12/23,966.70 = 6,621.24/x
  3. Step 3: Cross multiply
    15,987.12x = 23,966.70 × 6,621.24
  4. Step 4: Simplify right side
    15,987.12x = 158,689,272.71
  5. Step 5: Solve for x
    x = 158,689,272.71/15,987.12
  6. Step 6: Final answer
    x = 9,926.07

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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.