Home / 14,256.72-21,275.19-12,529.08

Finding the Fourth Proportional to 14,256.72, 21,275.19 and 12,529.08

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Solution

The fourth proportional to 14,256.72, 21,275.19 and 12,529.08 is: 18,697.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.72 : 21,275.19 = 12,529.08 : x
  2. Step 2: Convert to fraction form
    14,256.72/21,275.19 = 12,529.08/x
  3. Step 3: Cross multiply
    14,256.72x = 21,275.19 × 12,529.08
  4. Step 4: Simplify right side
    14,256.72x = 266,558,557.53
  5. Step 5: Solve for x
    x = 266,558,557.53/14,256.72
  6. Step 6: Final answer
    x = 18,697.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.