Home / 15,240.48-22,828.56-7,822.40

Finding the Fourth Proportional to 15,240.48, 22,828.56 and 7,822.40

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Solution

The fourth proportional to 15,240.48, 22,828.56 and 7,822.40 is: 11,717.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240.48 : 22,828.56 = 7,822.40 : x
  2. Step 2: Convert to fraction form
    15,240.48/22,828.56 = 7,822.40/x
  3. Step 3: Cross multiply
    15,240.48x = 22,828.56 × 7,822.40
  4. Step 4: Simplify right side
    15,240.48x = 178,574,127.74
  5. Step 5: Solve for x
    x = 178,574,127.74/15,240.48
  6. Step 6: Final answer
    x = 11,717.09

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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.