Home / 11,533.07-15,915.69-6,497.51

Finding the Fourth Proportional to 11,533.07, 15,915.69 and 6,497.51

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Solution

The fourth proportional to 11,533.07, 15,915.69 and 6,497.51 is: 8,966.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,533.07 : 15,915.69 = 6,497.51 : x
  2. Step 2: Convert to fraction form
    11,533.07/15,915.69 = 6,497.51/x
  3. Step 3: Cross multiply
    11,533.07x = 15,915.69 × 6,497.51
  4. Step 4: Simplify right side
    11,533.07x = 103,412,275.35
  5. Step 5: Solve for x
    x = 103,412,275.35/11,533.07
  6. Step 6: Final answer
    x = 8,966.59

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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.