Home / 19,484.01-26,885.30-10,985.49

Finding the Fourth Proportional to 19,484.01, 26,885.30 and 10,985.49

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Solution

The fourth proportional to 19,484.01, 26,885.30 and 10,985.49 is: 15,158.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,484.01 : 26,885.30 = 10,985.49 : x
  2. Step 2: Convert to fraction form
    19,484.01/26,885.30 = 10,985.49/x
  3. Step 3: Cross multiply
    19,484.01x = 26,885.30 × 10,985.49
  4. Step 4: Simplify right side
    19,484.01x = 295,348,139.37
  5. Step 5: Solve for x
    x = 295,348,139.37/19,484.01
  6. Step 6: Final answer
    x = 15,158.49

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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.