Home / 10,935.84-15,088.56-6,219.36

Finding the Fourth Proportional to 10,935.84, 15,088.56 and 6,219.36

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Solution

The fourth proportional to 10,935.84, 15,088.56 and 6,219.36 is: 8,581.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.84 : 15,088.56 = 6,219.36 : x
  2. Step 2: Convert to fraction form
    10,935.84/15,088.56 = 6,219.36/x
  3. Step 3: Cross multiply
    10,935.84x = 15,088.56 × 6,219.36
  4. Step 4: Simplify right side
    10,935.84x = 93,841,186.52
  5. Step 5: Solve for x
    x = 93,841,186.52/10,935.84
  6. Step 6: Final answer
    x = 8,581.07

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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.