Home / 14,582.80-21,863.40-9,891.10

Finding the Fourth Proportional to 14,582.80, 21,863.40 and 9,891.10

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Solution

The fourth proportional to 14,582.80, 21,863.40 and 9,891.10 is: 14,829.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,582.80 : 21,863.40 = 9,891.10 : x
  2. Step 2: Convert to fraction form
    14,582.80/21,863.40 = 9,891.10/x
  3. Step 3: Cross multiply
    14,582.80x = 21,863.40 × 9,891.10
  4. Step 4: Simplify right side
    14,582.80x = 216,253,075.74
  5. Step 5: Solve for x
    x = 216,253,075.74/14,582.80
  6. Step 6: Final answer
    x = 14,829.32

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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.