Home / 15,260.07-21,060.99-9,210.62

Finding the Fourth Proportional to 15,260.07, 21,060.99 and 9,210.62

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Solution

The fourth proportional to 15,260.07, 21,060.99 and 9,210.62 is: 12,711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,260.07 : 21,060.99 = 9,210.62 : x
  2. Step 2: Convert to fraction form
    15,260.07/21,060.99 = 9,210.62/x
  3. Step 3: Cross multiply
    15,260.07x = 21,060.99 × 9,210.62
  4. Step 4: Simplify right side
    15,260.07x = 193,984,832.08
  5. Step 5: Solve for x
    x = 193,984,832.08/15,260.07
  6. Step 6: Final answer
    x = 12,711.92

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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.