Home / 15,987.84-22,074.96-10,325.90

Finding the Fourth Proportional to 15,987.84, 22,074.96 and 10,325.90

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Solution

The fourth proportional to 15,987.84, 22,074.96 and 10,325.90 is: 14,257.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.84 : 22,074.96 = 10,325.90 : x
  2. Step 2: Convert to fraction form
    15,987.84/22,074.96 = 10,325.90/x
  3. Step 3: Cross multiply
    15,987.84x = 22,074.96 × 10,325.90
  4. Step 4: Simplify right side
    15,987.84x = 227,943,829.46
  5. Step 5: Solve for x
    x = 227,943,829.46/15,987.84
  6. Step 6: Final answer
    x = 14,257.32

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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.