Home / 15,924.60-21,975.84-9,210.24

Finding the Fourth Proportional to 15,924.60, 21,975.84 and 9,210.24

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Solution

The fourth proportional to 15,924.60, 21,975.84 and 9,210.24 is: 12,710.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,924.60 : 21,975.84 = 9,210.24 : x
  2. Step 2: Convert to fraction form
    15,924.60/21,975.84 = 9,210.24/x
  3. Step 3: Cross multiply
    15,924.60x = 21,975.84 × 9,210.24
  4. Step 4: Simplify right side
    15,924.60x = 202,402,760.60
  5. Step 5: Solve for x
    x = 202,402,760.60/15,924.60
  6. Step 6: Final answer
    x = 12,710.07

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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.