Home / 20,248.11-30,345.66-10,877.18

Finding the Fourth Proportional to 20,248.11, 30,345.66 and 10,877.18

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Solution

The fourth proportional to 20,248.11, 30,345.66 and 10,877.18 is: 16,301.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248.11 : 30,345.66 = 10,877.18 : x
  2. Step 2: Convert to fraction form
    20,248.11/30,345.66 = 10,877.18/x
  3. Step 3: Cross multiply
    20,248.11x = 30,345.66 × 10,877.18
  4. Step 4: Simplify right side
    20,248.11x = 330,075,054.31
  5. Step 5: Solve for x
    x = 330,075,054.31/20,248.11
  6. Step 6: Final answer
    x = 16,301.52

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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.