Home / 13,810.76-19,052.78-9,332.88

Finding the Fourth Proportional to 13,810.76, 19,052.78 and 9,332.88

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Solution

The fourth proportional to 13,810.76, 19,052.78 and 9,332.88 is: 12,875.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.76 : 19,052.78 = 9,332.88 : x
  2. Step 2: Convert to fraction form
    13,810.76/19,052.78 = 9,332.88/x
  3. Step 3: Cross multiply
    13,810.76x = 19,052.78 × 9,332.88
  4. Step 4: Simplify right side
    13,810.76x = 177,817,309.41
  5. Step 5: Solve for x
    x = 177,817,309.41/13,810.76
  6. Step 6: Final answer
    x = 12,875.27

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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.