Home / 13,075.12-18,031.44-10,086.24

Finding the Fourth Proportional to 13,075.12, 18,031.44 and 10,086.24

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Solution

The fourth proportional to 13,075.12, 18,031.44 and 10,086.24 is: 13,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.12 : 18,031.44 = 10,086.24 : x
  2. Step 2: Convert to fraction form
    13,075.12/18,031.44 = 10,086.24/x
  3. Step 3: Cross multiply
    13,075.12x = 18,031.44 × 10,086.24
  4. Step 4: Simplify right side
    13,075.12x = 181,869,431.39
  5. Step 5: Solve for x
    x = 181,869,431.39/13,075.12
  6. Step 6: Final answer
    x = 13,909.58

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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.