Home / 10,621.40-14,656.58-5,840.38

Finding the Fourth Proportional to 10,621.40, 14,656.58 and 5,840.38

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Solution

The fourth proportional to 10,621.40, 14,656.58 and 5,840.38 is: 8,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.40 : 14,656.58 = 5,840.38 : x
  2. Step 2: Convert to fraction form
    10,621.40/14,656.58 = 5,840.38/x
  3. Step 3: Cross multiply
    10,621.40x = 14,656.58 × 5,840.38
  4. Step 4: Simplify right side
    10,621.40x = 85,599,996.70
  5. Step 5: Solve for x
    x = 85,599,996.70/10,621.40
  6. Step 6: Final answer
    x = 8,059.20

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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.