Home / 14,271.85-21,407.91-6,374.76

Finding the Fourth Proportional to 14,271.85, 21,407.91 and 6,374.76

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Solution

The fourth proportional to 14,271.85, 21,407.91 and 6,374.76 is: 9,562.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.85 : 21,407.91 = 6,374.76 : x
  2. Step 2: Convert to fraction form
    14,271.85/21,407.91 = 6,374.76/x
  3. Step 3: Cross multiply
    14,271.85x = 21,407.91 × 6,374.76
  4. Step 4: Simplify right side
    14,271.85x = 136,470,256.48
  5. Step 5: Solve for x
    x = 136,470,256.48/14,271.85
  6. Step 6: Final answer
    x = 9,562.20

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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.