Home / 14,485.10-21,760.05-13,894.70

Finding the Fourth Proportional to 14,485.10, 21,760.05 and 13,894.70

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Solution

The fourth proportional to 14,485.10, 21,760.05 and 13,894.70 is: 20,873.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.10 : 21,760.05 = 13,894.70 : x
  2. Step 2: Convert to fraction form
    14,485.10/21,760.05 = 13,894.70/x
  3. Step 3: Cross multiply
    14,485.10x = 21,760.05 × 13,894.70
  4. Step 4: Simplify right side
    14,485.10x = 302,349,366.74
  5. Step 5: Solve for x
    x = 302,349,366.74/14,485.10
  6. Step 6: Final answer
    x = 20,873.13

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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.