Home / 15,376.02-21,219.93-11,592.51

Finding the Fourth Proportional to 15,376.02, 21,219.93 and 11,592.51

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Solution

The fourth proportional to 15,376.02, 21,219.93 and 11,592.51 is: 15,998.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,376.02 : 21,219.93 = 11,592.51 : x
  2. Step 2: Convert to fraction form
    15,376.02/21,219.93 = 11,592.51/x
  3. Step 3: Cross multiply
    15,376.02x = 21,219.93 × 11,592.51
  4. Step 4: Simplify right side
    15,376.02x = 245,992,250.72
  5. Step 5: Solve for x
    x = 245,992,250.72/15,376.02
  6. Step 6: Final answer
    x = 15,998.43

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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.