Home / 10,985.41-15,158.37-6,204.57

Finding the Fourth Proportional to 10,985.41, 15,158.37 and 6,204.57

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Solution

The fourth proportional to 10,985.41, 15,158.37 and 6,204.57 is: 8,561.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.41 : 15,158.37 = 6,204.57 : x
  2. Step 2: Convert to fraction form
    10,985.41/15,158.37 = 6,204.57/x
  3. Step 3: Cross multiply
    10,985.41x = 15,158.37 × 6,204.57
  4. Step 4: Simplify right side
    10,985.41x = 94,051,167.75
  5. Step 5: Solve for x
    x = 94,051,167.75/10,985.41
  6. Step 6: Final answer
    x = 8,561.46

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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.