Home / 10,826.85-14,941.93-8,607.05

Finding the Fourth Proportional to 10,826.85, 14,941.93 and 8,607.05

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Solution

The fourth proportional to 10,826.85, 14,941.93 and 8,607.05 is: 11,878.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,826.85 : 14,941.93 = 8,607.05 : x
  2. Step 2: Convert to fraction form
    10,826.85/14,941.93 = 8,607.05/x
  3. Step 3: Cross multiply
    10,826.85x = 14,941.93 × 8,607.05
  4. Step 4: Simplify right side
    10,826.85x = 128,605,938.61
  5. Step 5: Solve for x
    x = 128,605,938.61/10,826.85
  6. Step 6: Final answer
    x = 11,878.43

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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.