Home / 14,458.50-19,955.16-10,915.56

Finding the Fourth Proportional to 14,458.50, 19,955.16 and 10,915.56

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Solution

The fourth proportional to 14,458.50, 19,955.16 and 10,915.56 is: 15,065.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,458.50 : 19,955.16 = 10,915.56 : x
  2. Step 2: Convert to fraction form
    14,458.50/19,955.16 = 10,915.56/x
  3. Step 3: Cross multiply
    14,458.50x = 19,955.16 × 10,915.56
  4. Step 4: Simplify right side
    14,458.50x = 217,821,746.29
  5. Step 5: Solve for x
    x = 217,821,746.29/14,458.50
  6. Step 6: Final answer
    x = 15,065.31

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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.