Home / 15,060.02-20,783.01-8,345.76

Finding the Fourth Proportional to 15,060.02, 20,783.01 and 8,345.76

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Solution

The fourth proportional to 15,060.02, 20,783.01 and 8,345.76 is: 11,517.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,060.02 : 20,783.01 = 8,345.76 : x
  2. Step 2: Convert to fraction form
    15,060.02/20,783.01 = 8,345.76/x
  3. Step 3: Cross multiply
    15,060.02x = 20,783.01 × 8,345.76
  4. Step 4: Simplify right side
    15,060.02x = 173,449,971.81
  5. Step 5: Solve for x
    x = 173,449,971.81/15,060.02
  6. Step 6: Final answer
    x = 11,517.25

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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.