Home / 13,248.45-18,282.85-7,280.50

Finding the Fourth Proportional to 13,248.45, 18,282.85 and 7,280.50

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Solution

The fourth proportional to 13,248.45, 18,282.85 and 7,280.50 is: 10,047.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.45 : 18,282.85 = 7,280.50 : x
  2. Step 2: Convert to fraction form
    13,248.45/18,282.85 = 7,280.50/x
  3. Step 3: Cross multiply
    13,248.45x = 18,282.85 × 7,280.50
  4. Step 4: Simplify right side
    13,248.45x = 133,108,289.43
  5. Step 5: Solve for x
    x = 133,108,289.43/13,248.45
  6. Step 6: Final answer
    x = 10,047.08

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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.