Home / 14,483.75-19,938.95-12,887.92

Finding the Fourth Proportional to 14,483.75, 19,938.95 and 12,887.92

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Solution

The fourth proportional to 14,483.75, 19,938.95 and 12,887.92 is: 17,742.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,483.75 : 19,938.95 = 12,887.92 : x
  2. Step 2: Convert to fraction form
    14,483.75/19,938.95 = 12,887.92/x
  3. Step 3: Cross multiply
    14,483.75x = 19,938.95 × 12,887.92
  4. Step 4: Simplify right side
    14,483.75x = 256,971,611.21
  5. Step 5: Solve for x
    x = 256,971,611.21/14,483.75
  6. Step 6: Final answer
    x = 17,742.06

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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.