Home / 19,301.80-28,944.48-10,985.74

Finding the Fourth Proportional to 19,301.80, 28,944.48 and 10,985.74

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Solution

The fourth proportional to 19,301.80, 28,944.48 and 10,985.74 is: 16,473.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.80 : 28,944.48 = 10,985.74 : x
  2. Step 2: Convert to fraction form
    19,301.80/28,944.48 = 10,985.74/x
  3. Step 3: Cross multiply
    19,301.80x = 28,944.48 × 10,985.74
  4. Step 4: Simplify right side
    19,301.80x = 317,976,531.72
  5. Step 5: Solve for x
    x = 317,976,531.72/19,301.80
  6. Step 6: Final answer
    x = 16,473.93

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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.