Home / 19,557.02-26,988.98-11,488.66

Finding the Fourth Proportional to 19,557.02, 26,988.98 and 11,488.66

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Solution

The fourth proportional to 19,557.02, 26,988.98 and 11,488.66 is: 15,854.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.02 : 26,988.98 = 11,488.66 : x
  2. Step 2: Convert to fraction form
    19,557.02/26,988.98 = 11,488.66/x
  3. Step 3: Cross multiply
    19,557.02x = 26,988.98 × 11,488.66
  4. Step 4: Simplify right side
    19,557.02x = 310,067,214.97
  5. Step 5: Solve for x
    x = 310,067,214.97/19,557.02
  6. Step 6: Final answer
    x = 15,854.52

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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.