Home / 11,583.10-15,983.70-6,547.78

Finding the Fourth Proportional to 11,583.10, 15,983.70 and 6,547.78

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Solution

The fourth proportional to 11,583.10, 15,983.70 and 6,547.78 is: 9,035.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,583.10 : 15,983.70 = 6,547.78 : x
  2. Step 2: Convert to fraction form
    11,583.10/15,983.70 = 6,547.78/x
  3. Step 3: Cross multiply
    11,583.10x = 15,983.70 × 6,547.78
  4. Step 4: Simplify right side
    11,583.10x = 104,657,751.19
  5. Step 5: Solve for x
    x = 104,657,751.19/11,583.10
  6. Step 6: Final answer
    x = 9,035.38

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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.