Home / 10,156.23-14,018.40-6,376.77

Finding the Fourth Proportional to 10,156.23, 14,018.40 and 6,376.77

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Solution

The fourth proportional to 10,156.23, 14,018.40 and 6,376.77 is: 8,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.23 : 14,018.40 = 6,376.77 : x
  2. Step 2: Convert to fraction form
    10,156.23/14,018.40 = 6,376.77/x
  3. Step 3: Cross multiply
    10,156.23x = 14,018.40 × 6,376.77
  4. Step 4: Simplify right side
    10,156.23x = 89,392,112.57
  5. Step 5: Solve for x
    x = 89,392,112.57/10,156.23
  6. Step 6: Final answer
    x = 8,801.70

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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.