Home / 19,971.84-29,937.50-12,956.33

Finding the Fourth Proportional to 19,971.84, 29,937.50 and 12,956.33

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Solution

The fourth proportional to 19,971.84, 29,937.50 and 12,956.33 is: 19,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971.84 : 29,937.50 = 12,956.33 : x
  2. Step 2: Convert to fraction form
    19,971.84/29,937.50 = 12,956.33/x
  3. Step 3: Cross multiply
    19,971.84x = 29,937.50 × 12,956.33
  4. Step 4: Simplify right side
    19,971.84x = 387,880,103.82
  5. Step 5: Solve for x
    x = 387,880,103.82/19,971.84
  6. Step 6: Final answer
    x = 19,421.35

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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.