Home / 13,975.32-21,058.47-11,563.08

Finding the Fourth Proportional to 13,975.32, 21,058.47 and 11,563.08

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Solution

The fourth proportional to 13,975.32, 21,058.47 and 11,563.08 is: 17,423.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.32 : 21,058.47 = 11,563.08 : x
  2. Step 2: Convert to fraction form
    13,975.32/21,058.47 = 11,563.08/x
  3. Step 3: Cross multiply
    13,975.32x = 21,058.47 × 11,563.08
  4. Step 4: Simplify right side
    13,975.32x = 243,500,773.29
  5. Step 5: Solve for x
    x = 243,500,773.29/13,975.32
  6. Step 6: Final answer
    x = 17,423.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.