Home / 13,248.96-18,283.80-7,280.88

Finding the Fourth Proportional to 13,248.96, 18,283.80 and 7,280.88

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Solution

The fourth proportional to 13,248.96, 18,283.80 and 7,280.88 is: 10,047.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.96 : 18,283.80 = 7,280.88 : x
  2. Step 2: Convert to fraction form
    13,248.96/18,283.80 = 7,280.88/x
  3. Step 3: Cross multiply
    13,248.96x = 18,283.80 × 7,280.88
  4. Step 4: Simplify right side
    13,248.96x = 133,122,153.74
  5. Step 5: Solve for x
    x = 133,122,153.74/13,248.96
  6. Step 6: Final answer
    x = 10,047.74

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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.