Home / 10,131.04-13,981.80-6,152.32

Finding the Fourth Proportional to 10,131.04, 13,981.80 and 6,152.32

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Solution

The fourth proportional to 10,131.04, 13,981.80 and 6,152.32 is: 8,490.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131.04 : 13,981.80 = 6,152.32 : x
  2. Step 2: Convert to fraction form
    10,131.04/13,981.80 = 6,152.32/x
  3. Step 3: Cross multiply
    10,131.04x = 13,981.80 × 6,152.32
  4. Step 4: Simplify right side
    10,131.04x = 86,020,507.78
  5. Step 5: Solve for x
    x = 86,020,507.78/10,131.04
  6. Step 6: Final answer
    x = 8,490.79

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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.