Home / 10,869.72-14,999.76-6,154.26

Finding the Fourth Proportional to 10,869.72, 14,999.76 and 6,154.26

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Solution

The fourth proportional to 10,869.72, 14,999.76 and 6,154.26 is: 8,492.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.72 : 14,999.76 = 6,154.26 : x
  2. Step 2: Convert to fraction form
    10,869.72/14,999.76 = 6,154.26/x
  3. Step 3: Cross multiply
    10,869.72x = 14,999.76 × 6,154.26
  4. Step 4: Simplify right side
    10,869.72x = 92,312,422.98
  5. Step 5: Solve for x
    x = 92,312,422.98/10,869.72
  6. Step 6: Final answer
    x = 8,492.62

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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.