Home / 10,285.85-14,194.46-5,570.13

Finding the Fourth Proportional to 10,285.85, 14,194.46 and 5,570.13

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Solution

The fourth proportional to 10,285.85, 14,194.46 and 5,570.13 is: 7,686.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.85 : 14,194.46 = 5,570.13 : x
  2. Step 2: Convert to fraction form
    10,285.85/14,194.46 = 5,570.13/x
  3. Step 3: Cross multiply
    10,285.85x = 14,194.46 × 5,570.13
  4. Step 4: Simplify right side
    10,285.85x = 79,064,959.63
  5. Step 5: Solve for x
    x = 79,064,959.63/10,285.85
  6. Step 6: Final answer
    x = 7,686.77

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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.