Home / 11,342.02-15,646.89-6,623.50

Finding the Fourth Proportional to 11,342.02, 15,646.89 and 6,623.50

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Solution

The fourth proportional to 11,342.02, 15,646.89 and 6,623.50 is: 9,137.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.02 : 15,646.89 = 6,623.50 : x
  2. Step 2: Convert to fraction form
    11,342.02/15,646.89 = 6,623.50/x
  3. Step 3: Cross multiply
    11,342.02x = 15,646.89 × 6,623.50
  4. Step 4: Simplify right side
    11,342.02x = 103,637,175.92
  5. Step 5: Solve for x
    x = 103,637,175.92/11,342.02
  6. Step 6: Final answer
    x = 9,137.45

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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.