Home / 10,778.10-14,870.30-6,527.80

Finding the Fourth Proportional to 10,778.10, 14,870.30 and 6,527.80

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Solution

The fourth proportional to 10,778.10, 14,870.30 and 6,527.80 is: 9,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778.10 : 14,870.30 = 6,527.80 : x
  2. Step 2: Convert to fraction form
    10,778.10/14,870.30 = 6,527.80/x
  3. Step 3: Cross multiply
    10,778.10x = 14,870.30 × 6,527.80
  4. Step 4: Simplify right side
    10,778.10x = 97,070,344.34
  5. Step 5: Solve for x
    x = 97,070,344.34/10,778.10
  6. Step 6: Final answer
    x = 9,006.26

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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.