Home / 20,045.13-30,058.80-10,683.40

Finding the Fourth Proportional to 20,045.13, 30,058.80 and 10,683.40

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Solution

The fourth proportional to 20,045.13, 30,058.80 and 10,683.40 is: 16,020.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045.13 : 30,058.80 = 10,683.40 : x
  2. Step 2: Convert to fraction form
    20,045.13/30,058.80 = 10,683.40/x
  3. Step 3: Cross multiply
    20,045.13x = 30,058.80 × 10,683.40
  4. Step 4: Simplify right side
    20,045.13x = 321,130,108.77
  5. Step 5: Solve for x
    x = 321,130,108.77/20,045.13
  6. Step 6: Final answer
    x = 16,020.36

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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.