Home / 10,555.14-14,566.10-6,364.20

Finding the Fourth Proportional to 10,555.14, 14,566.10 and 6,364.20

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Solution

The fourth proportional to 10,555.14, 14,566.10 and 6,364.20 is: 8,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.14 : 14,566.10 = 6,364.20 : x
  2. Step 2: Convert to fraction form
    10,555.14/14,566.10 = 6,364.20/x
  3. Step 3: Cross multiply
    10,555.14x = 14,566.10 × 6,364.20
  4. Step 4: Simplify right side
    10,555.14x = 92,701,541.80
  5. Step 5: Solve for x
    x = 92,701,541.80/10,555.14
  6. Step 6: Final answer
    x = 8,782.60

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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.