Home / 22,440.79-30,966.90-12,368.68

Finding the Fourth Proportional to 22,440.79, 30,966.90 and 12,368.68

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Solution

The fourth proportional to 22,440.79, 30,966.90 and 12,368.68 is: 17,068.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,440.79 : 30,966.90 = 12,368.68 : x
  2. Step 2: Convert to fraction form
    22,440.79/30,966.90 = 12,368.68/x
  3. Step 3: Cross multiply
    22,440.79x = 30,966.90 × 12,368.68
  4. Step 4: Simplify right side
    22,440.79x = 383,019,676.69
  5. Step 5: Solve for x
    x = 383,019,676.69/22,440.79
  6. Step 6: Final answer
    x = 17,068.01

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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.