Home / 19,079.02-28,610.61-7,385.50

Finding the Fourth Proportional to 19,079.02, 28,610.61 and 7,385.50

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Solution

The fourth proportional to 19,079.02, 28,610.61 and 7,385.50 is: 11,075.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079.02 : 28,610.61 = 7,385.50 : x
  2. Step 2: Convert to fraction form
    19,079.02/28,610.61 = 7,385.50/x
  3. Step 3: Cross multiply
    19,079.02x = 28,610.61 × 7,385.50
  4. Step 4: Simplify right side
    19,079.02x = 211,303,660.16
  5. Step 5: Solve for x
    x = 211,303,660.16/19,079.02
  6. Step 6: Final answer
    x = 11,075.18

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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.