Home / 10,621.02-14,657.73-7,029.79

Finding the Fourth Proportional to 10,621.02, 14,657.73 and 7,029.79

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Solution

The fourth proportional to 10,621.02, 14,657.73 and 7,029.79 is: 9,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.02 : 14,657.73 = 7,029.79 : x
  2. Step 2: Convert to fraction form
    10,621.02/14,657.73 = 7,029.79/x
  3. Step 3: Cross multiply
    10,621.02x = 14,657.73 × 7,029.79
  4. Step 4: Simplify right side
    10,621.02x = 103,040,801.17
  5. Step 5: Solve for x
    x = 103,040,801.17/10,621.02
  6. Step 6: Final answer
    x = 9,701.59

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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.