Home / 15,509.18-23,234.40-9,165.08

Finding the Fourth Proportional to 15,509.18, 23,234.40 and 9,165.08

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Solution

The fourth proportional to 15,509.18, 23,234.40 and 9,165.08 is: 13,730.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,509.18 : 23,234.40 = 9,165.08 : x
  2. Step 2: Convert to fraction form
    15,509.18/23,234.40 = 9,165.08/x
  3. Step 3: Cross multiply
    15,509.18x = 23,234.40 × 9,165.08
  4. Step 4: Simplify right side
    15,509.18x = 212,945,192.84
  5. Step 5: Solve for x
    x = 212,945,192.84/15,509.18
  6. Step 6: Final answer
    x = 13,730.27

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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.