Home / 21,688.74-32,533.11-6,897.69

Finding the Fourth Proportional to 21,688.74, 32,533.11 and 6,897.69

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Solution

The fourth proportional to 21,688.74, 32,533.11 and 6,897.69 is: 10,346.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,688.74 : 32,533.11 = 6,897.69 : x
  2. Step 2: Convert to fraction form
    21,688.74/32,533.11 = 6,897.69/x
  3. Step 3: Cross multiply
    21,688.74x = 32,533.11 × 6,897.69
  4. Step 4: Simplify right side
    21,688.74x = 224,403,307.52
  5. Step 5: Solve for x
    x = 224,403,307.52/21,688.74
  6. Step 6: Final answer
    x = 10,346.54

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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.