Home / 19,306.80-26,637.20-10,807.68

Finding the Fourth Proportional to 19,306.80, 26,637.20 and 10,807.68

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Solution

The fourth proportional to 19,306.80, 26,637.20 and 10,807.68 is: 14,911.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306.80 : 26,637.20 = 10,807.68 : x
  2. Step 2: Convert to fraction form
    19,306.80/26,637.20 = 10,807.68/x
  3. Step 3: Cross multiply
    19,306.80x = 26,637.20 × 10,807.68
  4. Step 4: Simplify right side
    19,306.80x = 287,886,146.47
  5. Step 5: Solve for x
    x = 287,886,146.47/19,306.80
  6. Step 6: Final answer
    x = 14,911.13

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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.