Home / 12,888.36-19,335.61-4,569.11

Finding the Fourth Proportional to 12,888.36, 19,335.61 and 4,569.11

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Solution

The fourth proportional to 12,888.36, 19,335.61 and 4,569.11 is: 6,854.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888.36 : 19,335.61 = 4,569.11 : x
  2. Step 2: Convert to fraction form
    12,888.36/19,335.61 = 4,569.11/x
  3. Step 3: Cross multiply
    12,888.36x = 19,335.61 × 4,569.11
  4. Step 4: Simplify right side
    12,888.36x = 88,346,510.55
  5. Step 5: Solve for x
    x = 88,346,510.55/12,888.36
  6. Step 6: Final answer
    x = 6,854.75

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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.