Home / 8,915.37-13,363.93-6,444.06

Finding the Fourth Proportional to 8,915.37, 13,363.93 and 6,444.06

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Solution

The fourth proportional to 8,915.37, 13,363.93 and 6,444.06 is: 9,659.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.37 : 13,363.93 = 6,444.06 : x
  2. Step 2: Convert to fraction form
    8,915.37/13,363.93 = 6,444.06/x
  3. Step 3: Cross multiply
    8,915.37x = 13,363.93 × 6,444.06
  4. Step 4: Simplify right side
    8,915.37x = 86,117,966.76
  5. Step 5: Solve for x
    x = 86,117,966.76/8,915.37
  6. Step 6: Final answer
    x = 9,659.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.