Home / 9,376.48-12,939.54-5,127.58

Finding the Fourth Proportional to 9,376.48, 12,939.54 and 5,127.58

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Solution

The fourth proportional to 9,376.48, 12,939.54 and 5,127.58 is: 7,076.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.48 : 12,939.54 = 5,127.58 : x
  2. Step 2: Convert to fraction form
    9,376.48/12,939.54 = 5,127.58/x
  3. Step 3: Cross multiply
    9,376.48x = 12,939.54 × 5,127.58
  4. Step 4: Simplify right side
    9,376.48x = 66,348,526.51
  5. Step 5: Solve for x
    x = 66,348,526.51/9,376.48
  6. Step 6: Final answer
    x = 7,076.06

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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.