Home / 13,298.56-18,351.93-7,248.80

Finding the Fourth Proportional to 13,298.56, 18,351.93 and 7,248.80

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Solution

The fourth proportional to 13,298.56, 18,351.93 and 7,248.80 is: 10,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.56 : 18,351.93 = 7,248.80 : x
  2. Step 2: Convert to fraction form
    13,298.56/18,351.93 = 7,248.80/x
  3. Step 3: Cross multiply
    13,298.56x = 18,351.93 × 7,248.80
  4. Step 4: Simplify right side
    13,298.56x = 133,029,470.18
  5. Step 5: Solve for x
    x = 133,029,470.18/13,298.56
  6. Step 6: Final answer
    x = 10,003.30

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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.