Home / 20,848.77-31,273.25-5,266.40

Finding the Fourth Proportional to 20,848.77, 31,273.25 and 5,266.40

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Solution

The fourth proportional to 20,848.77, 31,273.25 and 5,266.40 is: 7,899.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848.77 : 31,273.25 = 5,266.40 : x
  2. Step 2: Convert to fraction form
    20,848.77/31,273.25 = 5,266.40/x
  3. Step 3: Cross multiply
    20,848.77x = 31,273.25 × 5,266.40
  4. Step 4: Simplify right side
    20,848.77x = 164,697,261.10
  5. Step 5: Solve for x
    x = 164,697,261.10/20,848.77
  6. Step 6: Final answer
    x = 7,899.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.