Home / 21,987.37-32,985.98-6,995.35

Finding the Fourth Proportional to 21,987.37, 32,985.98 and 6,995.35

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Solution

The fourth proportional to 21,987.37, 32,985.98 and 6,995.35 is: 10,494.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,987.37 : 32,985.98 = 6,995.35 : x
  2. Step 2: Convert to fraction form
    21,987.37/32,985.98 = 6,995.35/x
  3. Step 3: Cross multiply
    21,987.37x = 32,985.98 × 6,995.35
  4. Step 4: Simplify right side
    21,987.37x = 230,748,275.29
  5. Step 5: Solve for x
    x = 230,748,275.29/21,987.37
  6. Step 6: Final answer
    x = 10,494.59

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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.