Home / 22,052.99-30,417.03-13,989.10

Finding the Fourth Proportional to 22,052.99, 30,417.03 and 13,989.10

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Solution

The fourth proportional to 22,052.99, 30,417.03 and 13,989.10 is: 19,294.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,052.99 : 30,417.03 = 13,989.10 : x
  2. Step 2: Convert to fraction form
    22,052.99/30,417.03 = 13,989.10/x
  3. Step 3: Cross multiply
    22,052.99x = 30,417.03 × 13,989.10
  4. Step 4: Simplify right side
    22,052.99x = 425,506,798.33
  5. Step 5: Solve for x
    x = 425,506,798.33/22,052.99
  6. Step 6: Final answer
    x = 19,294.75

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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.