Home / 10,427.04-14,389.08-5,711.22

Finding the Fourth Proportional to 10,427.04, 14,389.08 and 5,711.22

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Solution

The fourth proportional to 10,427.04, 14,389.08 and 5,711.22 is: 7,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.04 : 14,389.08 = 5,711.22 : x
  2. Step 2: Convert to fraction form
    10,427.04/14,389.08 = 5,711.22/x
  3. Step 3: Cross multiply
    10,427.04x = 14,389.08 × 5,711.22
  4. Step 4: Simplify right side
    10,427.04x = 82,179,201.48
  5. Step 5: Solve for x
    x = 82,179,201.48/10,427.04
  6. Step 6: Final answer
    x = 7,881.35

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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.