Home / 14,515.04-21,782.27-5,281.04

Finding the Fourth Proportional to 14,515.04, 21,782.27 and 5,281.04

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Solution

The fourth proportional to 14,515.04, 21,782.27 and 5,281.04 is: 7,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.04 : 21,782.27 = 5,281.04 : x
  2. Step 2: Convert to fraction form
    14,515.04/21,782.27 = 5,281.04/x
  3. Step 3: Cross multiply
    14,515.04x = 21,782.27 × 5,281.04
  4. Step 4: Simplify right side
    14,515.04x = 115,033,106.82
  5. Step 5: Solve for x
    x = 115,033,106.82/14,515.04
  6. Step 6: Final answer
    x = 7,925.10

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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.