Home / 19,549.06-26,977.80-11,488.15

Finding the Fourth Proportional to 19,549.06, 26,977.80 and 11,488.15

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Solution

The fourth proportional to 19,549.06, 26,977.80 and 11,488.15 is: 15,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,549.06 : 26,977.80 = 11,488.15 : x
  2. Step 2: Convert to fraction form
    19,549.06/26,977.80 = 11,488.15/x
  3. Step 3: Cross multiply
    19,549.06x = 26,977.80 × 11,488.15
  4. Step 4: Simplify right side
    19,549.06x = 309,925,013.07
  5. Step 5: Solve for x
    x = 309,925,013.07/19,549.06
  6. Step 6: Final answer
    x = 15,853.70

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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.