Home / 15,535.02-21,450.51-12,541.26

Finding the Fourth Proportional to 15,535.02, 21,450.51 and 12,541.26

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Solution

The fourth proportional to 15,535.02, 21,450.51 and 12,541.26 is: 17,316.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535.02 : 21,450.51 = 12,541.26 : x
  2. Step 2: Convert to fraction form
    15,535.02/21,450.51 = 12,541.26/x
  3. Step 3: Cross multiply
    15,535.02x = 21,450.51 × 12,541.26
  4. Step 4: Simplify right side
    15,535.02x = 269,016,423.04
  5. Step 5: Solve for x
    x = 269,016,423.04/15,535.02
  6. Step 6: Final answer
    x = 17,316.77

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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.