Home / 13,985.96-19,300.68-8,017.76

Finding the Fourth Proportional to 13,985.96, 19,300.68 and 8,017.76

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Solution

The fourth proportional to 13,985.96, 19,300.68 and 8,017.76 is: 11,064.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,985.96 : 19,300.68 = 8,017.76 : x
  2. Step 2: Convert to fraction form
    13,985.96/19,300.68 = 8,017.76/x
  3. Step 3: Cross multiply
    13,985.96x = 19,300.68 × 8,017.76
  4. Step 4: Simplify right side
    13,985.96x = 154,748,220.08
  5. Step 5: Solve for x
    x = 154,748,220.08/13,985.96
  6. Step 6: Final answer
    x = 11,064.54

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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.