Home / 10,030.40-13,835.10-6,881.12

Finding the Fourth Proportional to 10,030.40, 13,835.10 and 6,881.12

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Solution

The fourth proportional to 10,030.40, 13,835.10 and 6,881.12 is: 9,491.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,030.40 : 13,835.10 = 6,881.12 : x
  2. Step 2: Convert to fraction form
    10,030.40/13,835.10 = 6,881.12/x
  3. Step 3: Cross multiply
    10,030.40x = 13,835.10 × 6,881.12
  4. Step 4: Simplify right side
    10,030.40x = 95,200,983.31
  5. Step 5: Solve for x
    x = 95,200,983.31/10,030.40
  6. Step 6: Final answer
    x = 9,491.24

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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.