Home / 10,953.90-16,439.64-5,690.46

Finding the Fourth Proportional to 10,953.90, 16,439.64 and 5,690.46

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Solution

The fourth proportional to 10,953.90, 16,439.64 and 5,690.46 is: 8,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.90 : 16,439.64 = 5,690.46 : x
  2. Step 2: Convert to fraction form
    10,953.90/16,439.64 = 5,690.46/x
  3. Step 3: Cross multiply
    10,953.90x = 16,439.64 × 5,690.46
  4. Step 4: Simplify right side
    10,953.90x = 93,549,113.83
  5. Step 5: Solve for x
    x = 93,549,113.83/10,953.90
  6. Step 6: Final answer
    x = 8,540.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.