Home / 13,402.61-18,492.93-8,097.72

Finding the Fourth Proportional to 13,402.61, 18,492.93 and 8,097.72

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Solution

The fourth proportional to 13,402.61, 18,492.93 and 8,097.72 is: 11,173.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402.61 : 18,492.93 = 8,097.72 : x
  2. Step 2: Convert to fraction form
    13,402.61/18,492.93 = 8,097.72/x
  3. Step 3: Cross multiply
    13,402.61x = 18,492.93 × 8,097.72
  4. Step 4: Simplify right side
    13,402.61x = 149,750,569.12
  5. Step 5: Solve for x
    x = 149,750,569.12/13,402.61
  6. Step 6: Final answer
    x = 11,173.24

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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.