Home / 18,510.60-27,765.63-4,470.51

Finding the Fourth Proportional to 18,510.60, 27,765.63 and 4,470.51

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Solution

The fourth proportional to 18,510.60, 27,765.63 and 4,470.51 is: 6,705.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.60 : 27,765.63 = 4,470.51 : x
  2. Step 2: Convert to fraction form
    18,510.60/27,765.63 = 4,470.51/x
  3. Step 3: Cross multiply
    18,510.60x = 27,765.63 × 4,470.51
  4. Step 4: Simplify right side
    18,510.60x = 124,126,526.57
  5. Step 5: Solve for x
    x = 124,126,526.57/18,510.60
  6. Step 6: Final answer
    x = 6,705.70

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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.