Home / 10,247.13-15,374.33-5,056.65

Finding the Fourth Proportional to 10,247.13, 15,374.33 and 5,056.65

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Solution

The fourth proportional to 10,247.13, 15,374.33 and 5,056.65 is: 7,586.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.13 : 15,374.33 = 5,056.65 : x
  2. Step 2: Convert to fraction form
    10,247.13/15,374.33 = 5,056.65/x
  3. Step 3: Cross multiply
    10,247.13x = 15,374.33 × 5,056.65
  4. Step 4: Simplify right side
    10,247.13x = 77,742,605.79
  5. Step 5: Solve for x
    x = 77,742,605.79/10,247.13
  6. Step 6: Final answer
    x = 7,586.77

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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.