Home / 10,210.41-15,310.14-4,660.76

Finding the Fourth Proportional to 10,210.41, 15,310.14 and 4,660.76

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Solution

The fourth proportional to 10,210.41, 15,310.14 and 4,660.76 is: 6,988.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.41 : 15,310.14 = 4,660.76 : x
  2. Step 2: Convert to fraction form
    10,210.41/15,310.14 = 4,660.76/x
  3. Step 3: Cross multiply
    10,210.41x = 15,310.14 × 4,660.76
  4. Step 4: Simplify right side
    10,210.41x = 71,356,888.11
  5. Step 5: Solve for x
    x = 71,356,888.11/10,210.41
  6. Step 6: Final answer
    x = 6,988.64

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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.