Home / 14,258.66-19,689.56-8,890.26

Finding the Fourth Proportional to 14,258.66, 19,689.56 and 8,890.26

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Solution

The fourth proportional to 14,258.66, 19,689.56 and 8,890.26 is: 12,276.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258.66 : 19,689.56 = 8,890.26 : x
  2. Step 2: Convert to fraction form
    14,258.66/19,689.56 = 8,890.26/x
  3. Step 3: Cross multiply
    14,258.66x = 19,689.56 × 8,890.26
  4. Step 4: Simplify right side
    14,258.66x = 175,045,307.69
  5. Step 5: Solve for x
    x = 175,045,307.69/14,258.66
  6. Step 6: Final answer
    x = 12,276.42

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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.