Home / 10,678.48-16,017.95-4,436.72

Finding the Fourth Proportional to 10,678.48, 16,017.95 and 4,436.72

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Solution

The fourth proportional to 10,678.48, 16,017.95 and 4,436.72 is: 6,655.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,678.48 : 16,017.95 = 4,436.72 : x
  2. Step 2: Convert to fraction form
    10,678.48/16,017.95 = 4,436.72/x
  3. Step 3: Cross multiply
    10,678.48x = 16,017.95 × 4,436.72
  4. Step 4: Simplify right side
    10,678.48x = 71,067,240.29
  5. Step 5: Solve for x
    x = 71,067,240.29/10,678.48
  6. Step 6: Final answer
    x = 6,655.18

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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.