Home / 21,378.19-32,071.54-6,586.48

Finding the Fourth Proportional to 21,378.19, 32,071.54 and 6,586.48

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Solution

The fourth proportional to 21,378.19, 32,071.54 and 6,586.48 is: 9,881.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,378.19 : 32,071.54 = 6,586.48 : x
  2. Step 2: Convert to fraction form
    21,378.19/32,071.54 = 6,586.48/x
  3. Step 3: Cross multiply
    21,378.19x = 32,071.54 × 6,586.48
  4. Step 4: Simplify right side
    21,378.19x = 211,238,460.13
  5. Step 5: Solve for x
    x = 211,238,460.13/21,378.19
  6. Step 6: Final answer
    x = 9,881.03

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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.