Home / 15,141.04-20,895.32-8,767.91

Finding the Fourth Proportional to 15,141.04, 20,895.32 and 8,767.91

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Solution

The fourth proportional to 15,141.04, 20,895.32 and 8,767.91 is: 12,100.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141.04 : 20,895.32 = 8,767.91 : x
  2. Step 2: Convert to fraction form
    15,141.04/20,895.32 = 8,767.91/x
  3. Step 3: Cross multiply
    15,141.04x = 20,895.32 × 8,767.91
  4. Step 4: Simplify right side
    15,141.04x = 183,208,192.48
  5. Step 5: Solve for x
    x = 183,208,192.48/15,141.04
  6. Step 6: Final answer
    x = 12,100.11

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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.