Home / 11,370.02-17,036.48-6,978.20

Finding the Fourth Proportional to 11,370.02, 17,036.48 and 6,978.20

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Solution

The fourth proportional to 11,370.02, 17,036.48 and 6,978.20 is: 10,455.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.02 : 17,036.48 = 6,978.20 : x
  2. Step 2: Convert to fraction form
    11,370.02/17,036.48 = 6,978.20/x
  3. Step 3: Cross multiply
    11,370.02x = 17,036.48 × 6,978.20
  4. Step 4: Simplify right side
    11,370.02x = 118,883,964.74
  5. Step 5: Solve for x
    x = 118,883,964.74/11,370.02
  6. Step 6: Final answer
    x = 10,455.92

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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.