Home / 15,484.05-21,346.83-10,638.63

Finding the Fourth Proportional to 15,484.05, 21,346.83 and 10,638.63

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Solution

The fourth proportional to 15,484.05, 21,346.83 and 10,638.63 is: 14,666.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,484.05 : 21,346.83 = 10,638.63 : x
  2. Step 2: Convert to fraction form
    15,484.05/21,346.83 = 10,638.63/x
  3. Step 3: Cross multiply
    15,484.05x = 21,346.83 × 10,638.63
  4. Step 4: Simplify right side
    15,484.05x = 227,101,026.04
  5. Step 5: Solve for x
    x = 227,101,026.04/15,484.05
  6. Step 6: Final answer
    x = 14,666.77

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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.