Home / 10,643.10-14,687.40-6,166.77

Finding the Fourth Proportional to 10,643.10, 14,687.40 and 6,166.77

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Solution

The fourth proportional to 10,643.10, 14,687.40 and 6,166.77 is: 8,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.10 : 14,687.40 = 6,166.77 : x
  2. Step 2: Convert to fraction form
    10,643.10/14,687.40 = 6,166.77/x
  3. Step 3: Cross multiply
    10,643.10x = 14,687.40 × 6,166.77
  4. Step 4: Simplify right side
    10,643.10x = 90,573,817.70
  5. Step 5: Solve for x
    x = 90,573,817.70/10,643.10
  6. Step 6: Final answer
    x = 8,510.10

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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.