Home / 18,836.04-28,259.16-5,688.84

Finding the Fourth Proportional to 18,836.04, 28,259.16 and 5,688.84

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Solution

The fourth proportional to 18,836.04, 28,259.16 and 5,688.84 is: 8,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.04 : 28,259.16 = 5,688.84 : x
  2. Step 2: Convert to fraction form
    18,836.04/28,259.16 = 5,688.84/x
  3. Step 3: Cross multiply
    18,836.04x = 28,259.16 × 5,688.84
  4. Step 4: Simplify right side
    18,836.04x = 160,761,839.77
  5. Step 5: Solve for x
    x = 160,761,839.77/18,836.04
  6. Step 6: Final answer
    x = 8,534.80

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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.