Home / 10,697.42-14,758.26-6,220.40

Finding the Fourth Proportional to 10,697.42, 14,758.26 and 6,220.40

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Solution

The fourth proportional to 10,697.42, 14,758.26 and 6,220.40 is: 8,581.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,697.42 : 14,758.26 = 6,220.40 : x
  2. Step 2: Convert to fraction form
    10,697.42/14,758.26 = 6,220.40/x
  3. Step 3: Cross multiply
    10,697.42x = 14,758.26 × 6,220.40
  4. Step 4: Simplify right side
    10,697.42x = 91,802,280.50
  5. Step 5: Solve for x
    x = 91,802,280.50/10,697.42
  6. Step 6: Final answer
    x = 8,581.72

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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.