Home / 10,842.76-14,961.80-6,127.04

Finding the Fourth Proportional to 10,842.76, 14,961.80 and 6,127.04

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Solution

The fourth proportional to 10,842.76, 14,961.80 and 6,127.04 is: 8,454.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,842.76 : 14,961.80 = 6,127.04 : x
  2. Step 2: Convert to fraction form
    10,842.76/14,961.80 = 6,127.04/x
  3. Step 3: Cross multiply
    10,842.76x = 14,961.80 × 6,127.04
  4. Step 4: Simplify right side
    10,842.76x = 91,671,547.07
  5. Step 5: Solve for x
    x = 91,671,547.07/10,842.76
  6. Step 6: Final answer
    x = 8,454.63

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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.