Home / 10,377.80-15,466.04-10,045.72

Finding the Fourth Proportional to 10,377.80, 15,466.04 and 10,045.72

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Solution

The fourth proportional to 10,377.80, 15,466.04 and 10,045.72 is: 14,971.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.80 : 15,466.04 = 10,045.72 : x
  2. Step 2: Convert to fraction form
    10,377.80/15,466.04 = 10,045.72/x
  3. Step 3: Cross multiply
    10,377.80x = 15,466.04 × 10,045.72
  4. Step 4: Simplify right side
    10,377.80x = 155,367,507.35
  5. Step 5: Solve for x
    x = 155,367,507.35/10,377.80
  6. Step 6: Final answer
    x = 14,971.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.