Home / 15,812.37-23,715.86-5,281.19

Finding the Fourth Proportional to 15,812.37, 23,715.86 and 5,281.19

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Solution

The fourth proportional to 15,812.37, 23,715.86 and 5,281.19 is: 7,920.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,812.37 : 23,715.86 = 5,281.19 : x
  2. Step 2: Convert to fraction form
    15,812.37/23,715.86 = 5,281.19/x
  3. Step 3: Cross multiply
    15,812.37x = 23,715.86 × 5,281.19
  4. Step 4: Simplify right side
    15,812.37x = 125,247,995.56
  5. Step 5: Solve for x
    x = 125,247,995.56/15,812.37
  6. Step 6: Final answer
    x = 7,920.89

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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.