Home / 14,292.79-21,440.58-4,931.56

Finding the Fourth Proportional to 14,292.79, 21,440.58 and 4,931.56

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Solution

The fourth proportional to 14,292.79, 21,440.58 and 4,931.56 is: 7,397.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.79 : 21,440.58 = 4,931.56 : x
  2. Step 2: Convert to fraction form
    14,292.79/21,440.58 = 4,931.56/x
  3. Step 3: Cross multiply
    14,292.79x = 21,440.58 × 4,931.56
  4. Step 4: Simplify right side
    14,292.79x = 105,735,506.70
  5. Step 5: Solve for x
    x = 105,735,506.70/14,292.79
  6. Step 6: Final answer
    x = 7,397.82

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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.