Home / 13,127.78-19,695.65-4,693.18

Finding the Fourth Proportional to 13,127.78, 19,695.65 and 4,693.18

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Solution

The fourth proportional to 13,127.78, 19,695.65 and 4,693.18 is: 7,041.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127.78 : 19,695.65 = 4,693.18 : x
  2. Step 2: Convert to fraction form
    13,127.78/19,695.65 = 4,693.18/x
  3. Step 3: Cross multiply
    13,127.78x = 19,695.65 × 4,693.18
  4. Step 4: Simplify right side
    13,127.78x = 92,435,230.67
  5. Step 5: Solve for x
    x = 92,435,230.67/13,127.78
  6. Step 6: Final answer
    x = 7,041.19

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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.