Home / 15,015.90-22,499.55-9,459.30

Finding the Fourth Proportional to 15,015.90, 22,499.55 and 9,459.30

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Solution

The fourth proportional to 15,015.90, 22,499.55 and 9,459.30 is: 14,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,015.90 : 22,499.55 = 9,459.30 : x
  2. Step 2: Convert to fraction form
    15,015.90/22,499.55 = 9,459.30/x
  3. Step 3: Cross multiply
    15,015.90x = 22,499.55 × 9,459.30
  4. Step 4: Simplify right side
    15,015.90x = 212,829,993.32
  5. Step 5: Solve for x
    x = 212,829,993.32/15,015.90
  6. Step 6: Final answer
    x = 14,173.64

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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.