Home / 14,256.20-19,646.34-12,389.96

Finding the Fourth Proportional to 14,256.20, 19,646.34 and 12,389.96

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Solution

The fourth proportional to 14,256.20, 19,646.34 and 12,389.96 is: 17,074.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.20 : 19,646.34 = 12,389.96 : x
  2. Step 2: Convert to fraction form
    14,256.20/19,646.34 = 12,389.96/x
  3. Step 3: Cross multiply
    14,256.20x = 19,646.34 × 12,389.96
  4. Step 4: Simplify right side
    14,256.20x = 243,417,366.75
  5. Step 5: Solve for x
    x = 243,417,366.75/14,256.20
  6. Step 6: Final answer
    x = 17,074.49

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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.