Home / 21,464.48-29,621.75-12,510.54

Finding the Fourth Proportional to 21,464.48, 29,621.75 and 12,510.54

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Solution

The fourth proportional to 21,464.48, 29,621.75 and 12,510.54 is: 17,264.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,464.48 : 29,621.75 = 12,510.54 : x
  2. Step 2: Convert to fraction form
    21,464.48/29,621.75 = 12,510.54/x
  3. Step 3: Cross multiply
    21,464.48x = 29,621.75 × 12,510.54
  4. Step 4: Simplify right side
    21,464.48x = 370,583,877.58
  5. Step 5: Solve for x
    x = 370,583,877.58/21,464.48
  6. Step 6: Final answer
    x = 17,264.99

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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.