Home / 10,538.21-14,542.25-6,506.84

Finding the Fourth Proportional to 10,538.21, 14,542.25 and 6,506.84

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Solution

The fourth proportional to 10,538.21, 14,542.25 and 6,506.84 is: 8,979.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538.21 : 14,542.25 = 6,506.84 : x
  2. Step 2: Convert to fraction form
    10,538.21/14,542.25 = 6,506.84/x
  3. Step 3: Cross multiply
    10,538.21x = 14,542.25 × 6,506.84
  4. Step 4: Simplify right side
    10,538.21x = 94,623,988.74
  5. Step 5: Solve for x
    x = 94,623,988.74/10,538.21
  6. Step 6: Final answer
    x = 8,979.14

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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.