Home / 15,313.46-22,920.57-8,276.58

Finding the Fourth Proportional to 15,313.46, 22,920.57 and 8,276.58

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Solution

The fourth proportional to 15,313.46, 22,920.57 and 8,276.58 is: 12,388.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,313.46 : 22,920.57 = 8,276.58 : x
  2. Step 2: Convert to fraction form
    15,313.46/22,920.57 = 8,276.58/x
  3. Step 3: Cross multiply
    15,313.46x = 22,920.57 × 8,276.58
  4. Step 4: Simplify right side
    15,313.46x = 189,703,931.25
  5. Step 5: Solve for x
    x = 189,703,931.25/15,313.46
  6. Step 6: Final answer
    x = 12,388.06

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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.