Home / 14,029.08-21,029.40-9,101.85

Finding the Fourth Proportional to 14,029.08, 21,029.40 and 9,101.85

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Solution

The fourth proportional to 14,029.08, 21,029.40 and 9,101.85 is: 13,643.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,029.08 : 21,029.40 = 9,101.85 : x
  2. Step 2: Convert to fraction form
    14,029.08/21,029.40 = 9,101.85/x
  3. Step 3: Cross multiply
    14,029.08x = 21,029.40 × 9,101.85
  4. Step 4: Simplify right side
    14,029.08x = 191,406,444.39
  5. Step 5: Solve for x
    x = 191,406,444.39/14,029.08
  6. Step 6: Final answer
    x = 13,643.55

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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.