Home / 15,406.28-23,110.74-4,313.10

Finding the Fourth Proportional to 15,406.28, 23,110.74 and 4,313.10

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Solution

The fourth proportional to 15,406.28, 23,110.74 and 4,313.10 is: 6,470.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406.28 : 23,110.74 = 4,313.10 : x
  2. Step 2: Convert to fraction form
    15,406.28/23,110.74 = 4,313.10/x
  3. Step 3: Cross multiply
    15,406.28x = 23,110.74 × 4,313.10
  4. Step 4: Simplify right side
    15,406.28x = 99,678,901.49
  5. Step 5: Solve for x
    x = 99,678,901.49/15,406.28
  6. Step 6: Final answer
    x = 6,470.02

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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.