Home / 14,258.88-21,356.64-10,947.60

Finding the Fourth Proportional to 14,258.88, 21,356.64 and 10,947.60

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Solution

The fourth proportional to 14,258.88, 21,356.64 and 10,947.60 is: 16,397.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258.88 : 21,356.64 = 10,947.60 : x
  2. Step 2: Convert to fraction form
    14,258.88/21,356.64 = 10,947.60/x
  3. Step 3: Cross multiply
    14,258.88x = 21,356.64 × 10,947.60
  4. Step 4: Simplify right side
    14,258.88x = 233,803,952.06
  5. Step 5: Solve for x
    x = 233,803,952.06/14,258.88
  6. Step 6: Final answer
    x = 16,397.08

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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.