Home / 12,505.30-17,256.57-6,838.99

Finding the Fourth Proportional to 12,505.30, 17,256.57 and 6,838.99

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Solution

The fourth proportional to 12,505.30, 17,256.57 and 6,838.99 is: 9,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.30 : 17,256.57 = 6,838.99 : x
  2. Step 2: Convert to fraction form
    12,505.30/17,256.57 = 6,838.99/x
  3. Step 3: Cross multiply
    12,505.30x = 17,256.57 × 6,838.99
  4. Step 4: Simplify right side
    12,505.30x = 118,017,509.66
  5. Step 5: Solve for x
    x = 118,017,509.66/12,505.30
  6. Step 6: Final answer
    x = 9,437.40

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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.