Home / 18,068.04-27,106.09-8,715.90

Finding the Fourth Proportional to 18,068.04, 27,106.09 and 8,715.90

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Solution

The fourth proportional to 18,068.04, 27,106.09 and 8,715.90 is: 13,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,068.04 : 27,106.09 = 8,715.90 : x
  2. Step 2: Convert to fraction form
    18,068.04/27,106.09 = 8,715.90/x
  3. Step 3: Cross multiply
    18,068.04x = 27,106.09 × 8,715.90
  4. Step 4: Simplify right side
    18,068.04x = 236,254,098.72
  5. Step 5: Solve for x
    x = 236,254,098.72/18,068.04
  6. Step 6: Final answer
    x = 13,075.80

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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.