Home / 13,346.02-20,031.10-7,111.29

Finding the Fourth Proportional to 13,346.02, 20,031.10 and 7,111.29

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Solution

The fourth proportional to 13,346.02, 20,031.10 and 7,111.29 is: 10,673.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.02 : 20,031.10 = 7,111.29 : x
  2. Step 2: Convert to fraction form
    13,346.02/20,031.10 = 7,111.29/x
  3. Step 3: Cross multiply
    13,346.02x = 20,031.10 × 7,111.29
  4. Step 4: Simplify right side
    13,346.02x = 142,447,018.46
  5. Step 5: Solve for x
    x = 142,447,018.46/13,346.02
  6. Step 6: Final answer
    x = 10,673.37

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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.