Home / 13,075.30-18,044.10-7,106.97

Finding the Fourth Proportional to 13,075.30, 18,044.10 and 7,106.97

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Solution

The fourth proportional to 13,075.30, 18,044.10 and 7,106.97 is: 9,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.30 : 18,044.10 = 7,106.97 : x
  2. Step 2: Convert to fraction form
    13,075.30/18,044.10 = 7,106.97/x
  3. Step 3: Cross multiply
    13,075.30x = 18,044.10 × 7,106.97
  4. Step 4: Simplify right side
    13,075.30x = 128,238,841.84
  5. Step 5: Solve for x
    x = 128,238,841.84/13,075.30
  6. Step 6: Final answer
    x = 9,807.72

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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.