Home / 10,530.55-14,527.02-6,279.13

Finding the Fourth Proportional to 10,530.55, 14,527.02 and 6,279.13

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Solution

The fourth proportional to 10,530.55, 14,527.02 and 6,279.13 is: 8,662.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.55 : 14,527.02 = 6,279.13 : x
  2. Step 2: Convert to fraction form
    10,530.55/14,527.02 = 6,279.13/x
  3. Step 3: Cross multiply
    10,530.55x = 14,527.02 × 6,279.13
  4. Step 4: Simplify right side
    10,530.55x = 91,217,047.09
  5. Step 5: Solve for x
    x = 91,217,047.09/10,530.55
  6. Step 6: Final answer
    x = 8,662.14

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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.