Home / 13,075.89-18,045.56-7,333.88

Finding the Fourth Proportional to 13,075.89, 18,045.56 and 7,333.88

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Solution

The fourth proportional to 13,075.89, 18,045.56 and 7,333.88 is: 10,121.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.89 : 18,045.56 = 7,333.88 : x
  2. Step 2: Convert to fraction form
    13,075.89/18,045.56 = 7,333.88/x
  3. Step 3: Cross multiply
    13,075.89x = 18,045.56 × 7,333.88
  4. Step 4: Simplify right side
    13,075.89x = 132,343,971.57
  5. Step 5: Solve for x
    x = 132,343,971.57/13,075.89
  6. Step 6: Final answer
    x = 10,121.22

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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.