Home / 14,032.40-19,371.72-8,728.94

Finding the Fourth Proportional to 14,032.40, 19,371.72 and 8,728.94

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Solution

The fourth proportional to 14,032.40, 19,371.72 and 8,728.94 is: 12,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,032.40 : 19,371.72 = 8,728.94 : x
  2. Step 2: Convert to fraction form
    14,032.40/19,371.72 = 8,728.94/x
  3. Step 3: Cross multiply
    14,032.40x = 19,371.72 × 8,728.94
  4. Step 4: Simplify right side
    14,032.40x = 169,094,581.58
  5. Step 5: Solve for x
    x = 169,094,581.58/14,032.40
  6. Step 6: Final answer
    x = 12,050.30

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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.