Home / 10,406.13-14,360.45-5,690.44

Finding the Fourth Proportional to 10,406.13, 14,360.45 and 5,690.44

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Solution

The fourth proportional to 10,406.13, 14,360.45 and 5,690.44 is: 7,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,406.13 : 14,360.45 = 5,690.44 : x
  2. Step 2: Convert to fraction form
    10,406.13/14,360.45 = 5,690.44/x
  3. Step 3: Cross multiply
    10,406.13x = 14,360.45 × 5,690.44
  4. Step 4: Simplify right side
    10,406.13x = 81,717,279.10
  5. Step 5: Solve for x
    x = 81,717,279.10/10,406.13
  6. Step 6: Final answer
    x = 7,852.80

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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.