Home / 12,075.02-16,657.35-8,048.78

Finding the Fourth Proportional to 12,075.02, 16,657.35 and 8,048.78

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Solution

The fourth proportional to 12,075.02, 16,657.35 and 8,048.78 is: 11,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.02 : 16,657.35 = 8,048.78 : x
  2. Step 2: Convert to fraction form
    12,075.02/16,657.35 = 8,048.78/x
  3. Step 3: Cross multiply
    12,075.02x = 16,657.35 × 8,048.78
  4. Step 4: Simplify right side
    12,075.02x = 134,071,345.53
  5. Step 5: Solve for x
    x = 134,071,345.53/12,075.02
  6. Step 6: Final answer
    x = 11,103.20

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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.