Home / 14,448.77-19,937.30-8,784.71

Finding the Fourth Proportional to 14,448.77, 19,937.30 and 8,784.71

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Solution

The fourth proportional to 14,448.77, 19,937.30 and 8,784.71 is: 12,121.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448.77 : 19,937.30 = 8,784.71 : x
  2. Step 2: Convert to fraction form
    14,448.77/19,937.30 = 8,784.71/x
  3. Step 3: Cross multiply
    14,448.77x = 19,937.30 × 8,784.71
  4. Step 4: Simplify right side
    14,448.77x = 175,143,255.07
  5. Step 5: Solve for x
    x = 175,143,255.07/14,448.77
  6. Step 6: Final answer
    x = 12,121.68

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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.