Home / 10,781.40-14,876.94-6,064.77

Finding the Fourth Proportional to 10,781.40, 14,876.94 and 6,064.77

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Solution

The fourth proportional to 10,781.40, 14,876.94 and 6,064.77 is: 8,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781.40 : 14,876.94 = 6,064.77 : x
  2. Step 2: Convert to fraction form
    10,781.40/14,876.94 = 6,064.77/x
  3. Step 3: Cross multiply
    10,781.40x = 14,876.94 × 6,064.77
  4. Step 4: Simplify right side
    10,781.40x = 90,225,219.40
  5. Step 5: Solve for x
    x = 90,225,219.40/10,781.40
  6. Step 6: Final answer
    x = 8,368.60

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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.