Home / 10,422.27-14,381.42-8,303.18

Finding the Fourth Proportional to 10,422.27, 14,381.42 and 8,303.18

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Solution

The fourth proportional to 10,422.27, 14,381.42 and 8,303.18 is: 11,457.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.27 : 14,381.42 = 8,303.18 : x
  2. Step 2: Convert to fraction form
    10,422.27/14,381.42 = 8,303.18/x
  3. Step 3: Cross multiply
    10,422.27x = 14,381.42 × 8,303.18
  4. Step 4: Simplify right side
    10,422.27x = 119,411,405.49
  5. Step 5: Solve for x
    x = 119,411,405.49/10,422.27
  6. Step 6: Final answer
    x = 11,457.33

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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.