Home / 14,309.28-19,641.48-12,702.24

Finding the Fourth Proportional to 14,309.28, 19,641.48 and 12,702.24

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Solution

The fourth proportional to 14,309.28, 19,641.48 and 12,702.24 is: 17,435.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,309.28 : 19,641.48 = 12,702.24 : x
  2. Step 2: Convert to fraction form
    14,309.28/19,641.48 = 12,702.24/x
  3. Step 3: Cross multiply
    14,309.28x = 19,641.48 × 12,702.24
  4. Step 4: Simplify right side
    14,309.28x = 249,490,792.92
  5. Step 5: Solve for x
    x = 249,490,792.92/14,309.28
  6. Step 6: Final answer
    x = 17,435.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.