Home / 10,017.76-13,827.80-7,034.34

Finding the Fourth Proportional to 10,017.76, 13,827.80 and 7,034.34

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Solution

The fourth proportional to 10,017.76, 13,827.80 and 7,034.34 is: 9,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,017.76 : 13,827.80 = 7,034.34 : x
  2. Step 2: Convert to fraction form
    10,017.76/13,827.80 = 7,034.34/x
  3. Step 3: Cross multiply
    10,017.76x = 13,827.80 × 7,034.34
  4. Step 4: Simplify right side
    10,017.76x = 97,269,446.65
  5. Step 5: Solve for x
    x = 97,269,446.65/10,017.76
  6. Step 6: Final answer
    x = 9,709.70

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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.