Home / 12,962.58-17,887.34-7,656.41

Finding the Fourth Proportional to 12,962.58, 17,887.34 and 7,656.41

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Solution

The fourth proportional to 12,962.58, 17,887.34 and 7,656.41 is: 10,565.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962.58 : 17,887.34 = 7,656.41 : x
  2. Step 2: Convert to fraction form
    12,962.58/17,887.34 = 7,656.41/x
  3. Step 3: Cross multiply
    12,962.58x = 17,887.34 × 7,656.41
  4. Step 4: Simplify right side
    12,962.58x = 136,952,681.13
  5. Step 5: Solve for x
    x = 136,952,681.13/12,962.58
  6. Step 6: Final answer
    x = 10,565.23

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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.