Home / 10,553.02-15,828.93-3,157.54

Finding the Fourth Proportional to 10,553.02, 15,828.93 and 3,157.54

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Solution

The fourth proportional to 10,553.02, 15,828.93 and 3,157.54 is: 4,736.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.02 : 15,828.93 = 3,157.54 : x
  2. Step 2: Convert to fraction form
    10,553.02/15,828.93 = 3,157.54/x
  3. Step 3: Cross multiply
    10,553.02x = 15,828.93 × 3,157.54
  4. Step 4: Simplify right side
    10,553.02x = 49,980,479.63
  5. Step 5: Solve for x
    x = 49,980,479.63/10,553.02
  6. Step 6: Final answer
    x = 4,736.13

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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.