Home / 10,985.94-15,159.06-6,205.08

Finding the Fourth Proportional to 10,985.94, 15,159.06 and 6,205.08

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Solution

The fourth proportional to 10,985.94, 15,159.06 and 6,205.08 is: 8,562.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.94 : 15,159.06 = 6,205.08 : x
  2. Step 2: Convert to fraction form
    10,985.94/15,159.06 = 6,205.08/x
  3. Step 3: Cross multiply
    10,985.94x = 15,159.06 × 6,205.08
  4. Step 4: Simplify right side
    10,985.94x = 94,063,180.02
  5. Step 5: Solve for x
    x = 94,063,180.02/10,985.94
  6. Step 6: Final answer
    x = 8,562.14

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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.