Home / 11,283.16-15,570.78-6,315.16

Finding the Fourth Proportional to 11,283.16, 15,570.78 and 6,315.16

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Solution

The fourth proportional to 11,283.16, 15,570.78 and 6,315.16 is: 8,714.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.16 : 15,570.78 = 6,315.16 : x
  2. Step 2: Convert to fraction form
    11,283.16/15,570.78 = 6,315.16/x
  3. Step 3: Cross multiply
    11,283.16x = 15,570.78 × 6,315.16
  4. Step 4: Simplify right side
    11,283.16x = 98,331,967.02
  5. Step 5: Solve for x
    x = 98,331,967.02/11,283.16
  6. Step 6: Final answer
    x = 8,714.93

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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.