Home / 14,256.36-21,376.71-4,392.90

Finding the Fourth Proportional to 14,256.36, 21,376.71 and 4,392.90

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Solution

The fourth proportional to 14,256.36, 21,376.71 and 4,392.90 is: 6,586.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.36 : 21,376.71 = 4,392.90 : x
  2. Step 2: Convert to fraction form
    14,256.36/21,376.71 = 4,392.90/x
  3. Step 3: Cross multiply
    14,256.36x = 21,376.71 × 4,392.90
  4. Step 4: Simplify right side
    14,256.36x = 93,905,749.36
  5. Step 5: Solve for x
    x = 93,905,749.36/14,256.36
  6. Step 6: Final answer
    x = 6,586.94

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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.