Home / 14,569.12-20,113.68-9,615.52

Finding the Fourth Proportional to 14,569.12, 20,113.68 and 9,615.52

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Solution

The fourth proportional to 14,569.12, 20,113.68 and 9,615.52 is: 13,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,569.12 : 20,113.68 = 9,615.52 : x
  2. Step 2: Convert to fraction form
    14,569.12/20,113.68 = 9,615.52/x
  3. Step 3: Cross multiply
    14,569.12x = 20,113.68 × 9,615.52
  4. Step 4: Simplify right side
    14,569.12x = 193,403,492.31
  5. Step 5: Solve for x
    x = 193,403,492.31/14,569.12
  6. Step 6: Final answer
    x = 13,274.89

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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.