Home / 13,864.76-20,800.40-9,484.28

Finding the Fourth Proportional to 13,864.76, 20,800.40 and 9,484.28

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Solution

The fourth proportional to 13,864.76, 20,800.40 and 9,484.28 is: 14,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.76 : 20,800.40 = 9,484.28 : x
  2. Step 2: Convert to fraction form
    13,864.76/20,800.40 = 9,484.28/x
  3. Step 3: Cross multiply
    13,864.76x = 20,800.40 × 9,484.28
  4. Step 4: Simplify right side
    13,864.76x = 197,276,817.71
  5. Step 5: Solve for x
    x = 197,276,817.71/13,864.76
  6. Step 6: Final answer
    x = 14,228.65

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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.