Home / 20,637.12-30,945.48-14,710.80

Finding the Fourth Proportional to 20,637.12, 30,945.48 and 14,710.80

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Solution

The fourth proportional to 20,637.12, 30,945.48 and 14,710.80 is: 22,058.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,637.12 : 30,945.48 = 14,710.80 : x
  2. Step 2: Convert to fraction form
    20,637.12/30,945.48 = 14,710.80/x
  3. Step 3: Cross multiply
    20,637.12x = 30,945.48 × 14,710.80
  4. Step 4: Simplify right side
    20,637.12x = 455,232,767.18
  5. Step 5: Solve for x
    x = 455,232,767.18/20,637.12
  6. Step 6: Final answer
    x = 22,058.93

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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.