Home / 14,675.72-21,987.66-14,312.84

Finding the Fourth Proportional to 14,675.72, 21,987.66 and 14,312.84

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Solution

The fourth proportional to 14,675.72, 21,987.66 and 14,312.84 is: 21,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,675.72 : 21,987.66 = 14,312.84 : x
  2. Step 2: Convert to fraction form
    14,675.72/21,987.66 = 14,312.84/x
  3. Step 3: Cross multiply
    14,675.72x = 21,987.66 × 14,312.84
  4. Step 4: Simplify right side
    14,675.72x = 314,705,859.55
  5. Step 5: Solve for x
    x = 314,705,859.55/14,675.72
  6. Step 6: Final answer
    x = 21,443.98

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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.