Home / 15,606.84-21,548.72-9,646.68

Finding the Fourth Proportional to 15,606.84, 21,548.72 and 9,646.68

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Solution

The fourth proportional to 15,606.84, 21,548.72 and 9,646.68 is: 13,319.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606.84 : 21,548.72 = 9,646.68 : x
  2. Step 2: Convert to fraction form
    15,606.84/21,548.72 = 9,646.68/x
  3. Step 3: Cross multiply
    15,606.84x = 21,548.72 × 9,646.68
  4. Step 4: Simplify right side
    15,606.84x = 207,873,606.25
  5. Step 5: Solve for x
    x = 207,873,606.25/15,606.84
  6. Step 6: Final answer
    x = 13,319.39

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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.