Home / 14,352.77-19,816.49-12,835.62

Finding the Fourth Proportional to 14,352.77, 19,816.49 and 12,835.62

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Solution

The fourth proportional to 14,352.77, 19,816.49 and 12,835.62 is: 17,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,352.77 : 19,816.49 = 12,835.62 : x
  2. Step 2: Convert to fraction form
    14,352.77/19,816.49 = 12,835.62/x
  3. Step 3: Cross multiply
    14,352.77x = 19,816.49 × 12,835.62
  4. Step 4: Simplify right side
    14,352.77x = 254,356,871.20
  5. Step 5: Solve for x
    x = 254,356,871.20/14,352.77
  6. Step 6: Final answer
    x = 17,721.80

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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.