Home / 19,305.02-28,957.82-7,618.13

Finding the Fourth Proportional to 19,305.02, 28,957.82 and 7,618.13

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Solution

The fourth proportional to 19,305.02, 28,957.82 and 7,618.13 is: 11,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305.02 : 28,957.82 = 7,618.13 : x
  2. Step 2: Convert to fraction form
    19,305.02/28,957.82 = 7,618.13/x
  3. Step 3: Cross multiply
    19,305.02x = 28,957.82 × 7,618.13
  4. Step 4: Simplify right side
    19,305.02x = 220,604,254.40
  5. Step 5: Solve for x
    x = 220,604,254.40/19,305.02
  6. Step 6: Final answer
    x = 11,427.30

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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.