Home / 13,577.60-18,752.64-10,817.12

Finding the Fourth Proportional to 13,577.60, 18,752.64 and 10,817.12

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Solution

The fourth proportional to 13,577.60, 18,752.64 and 10,817.12 is: 14,940.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.60 : 18,752.64 = 10,817.12 : x
  2. Step 2: Convert to fraction form
    13,577.60/18,752.64 = 10,817.12/x
  3. Step 3: Cross multiply
    13,577.60x = 18,752.64 × 10,817.12
  4. Step 4: Simplify right side
    13,577.60x = 202,849,557.20
  5. Step 5: Solve for x
    x = 202,849,557.20/13,577.60
  6. Step 6: Final answer
    x = 14,940.02

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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.