Home / 9,915.95-14,875.32-2,896.48

Finding the Fourth Proportional to 9,915.95, 14,875.32 and 2,896.48

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Solution

The fourth proportional to 9,915.95, 14,875.32 and 2,896.48 is: 4,345.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915.95 : 14,875.32 = 2,896.48 : x
  2. Step 2: Convert to fraction form
    9,915.95/14,875.32 = 2,896.48/x
  3. Step 3: Cross multiply
    9,915.95x = 14,875.32 × 2,896.48
  4. Step 4: Simplify right side
    9,915.95x = 43,086,052.15
  5. Step 5: Solve for x
    x = 43,086,052.15/9,915.95
  6. Step 6: Final answer
    x = 4,345.13

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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.