Home / 21,688.84-32,533.50-7,646.26

Finding the Fourth Proportional to 21,688.84, 32,533.50 and 7,646.26

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Solution

The fourth proportional to 21,688.84, 32,533.50 and 7,646.26 is: 11,469.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,688.84 : 32,533.50 = 7,646.26 : x
  2. Step 2: Convert to fraction form
    21,688.84/32,533.50 = 7,646.26/x
  3. Step 3: Cross multiply
    21,688.84x = 32,533.50 × 7,646.26
  4. Step 4: Simplify right side
    21,688.84x = 248,759,599.71
  5. Step 5: Solve for x
    x = 248,759,599.71/21,688.84
  6. Step 6: Final answer
    x = 11,469.47

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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.