Home / 40,397.51-60,595.12-10,815.35

Finding the Fourth Proportional to 40,397.51, 60,595.12 and 10,815.35

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Solution

The fourth proportional to 40,397.51, 60,595.12 and 10,815.35 is: 16,222.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,397.51 : 60,595.12 = 10,815.35 : x
  2. Step 2: Convert to fraction form
    40,397.51/60,595.12 = 10,815.35/x
  3. Step 3: Cross multiply
    40,397.51x = 60,595.12 × 10,815.35
  4. Step 4: Simplify right side
    40,397.51x = 655,357,431.09
  5. Step 5: Solve for x
    x = 655,357,431.09/40,397.51
  6. Step 6: Final answer
    x = 16,222.72

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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.