Home / 14,298.60-21,452.76-12,918.36

Finding the Fourth Proportional to 14,298.60, 21,452.76 and 12,918.36

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Solution

The fourth proportional to 14,298.60, 21,452.76 and 12,918.36 is: 19,381.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298.60 : 21,452.76 = 12,918.36 : x
  2. Step 2: Convert to fraction form
    14,298.60/21,452.76 = 12,918.36/x
  3. Step 3: Cross multiply
    14,298.60x = 21,452.76 × 12,918.36
  4. Step 4: Simplify right side
    14,298.60x = 277,134,476.67
  5. Step 5: Solve for x
    x = 277,134,476.67/14,298.60
  6. Step 6: Final answer
    x = 19,381.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.