Home / 15,027.04-20,736.54-8,312.32

Finding the Fourth Proportional to 15,027.04, 20,736.54 and 8,312.32

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Solution

The fourth proportional to 15,027.04, 20,736.54 and 8,312.32 is: 11,470.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027.04 : 20,736.54 = 8,312.32 : x
  2. Step 2: Convert to fraction form
    15,027.04/20,736.54 = 8,312.32/x
  3. Step 3: Cross multiply
    15,027.04x = 20,736.54 × 8,312.32
  4. Step 4: Simplify right side
    15,027.04x = 172,368,756.17
  5. Step 5: Solve for x
    x = 172,368,756.17/15,027.04
  6. Step 6: Final answer
    x = 11,470.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.