Home / 10,140.48-15,210.49-4,589.81

Finding the Fourth Proportional to 10,140.48, 15,210.49 and 4,589.81

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Solution

The fourth proportional to 10,140.48, 15,210.49 and 4,589.81 is: 6,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.48 : 15,210.49 = 4,589.81 : x
  2. Step 2: Convert to fraction form
    10,140.48/15,210.49 = 4,589.81/x
  3. Step 3: Cross multiply
    10,140.48x = 15,210.49 × 4,589.81
  4. Step 4: Simplify right side
    10,140.48x = 69,813,160.11
  5. Step 5: Solve for x
    x = 69,813,160.11/10,140.48
  6. Step 6: Final answer
    x = 6,884.60

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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.