Home / 14,459.76-19,956.60-9,155.07

Finding the Fourth Proportional to 14,459.76, 19,956.60 and 9,155.07

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Solution

The fourth proportional to 14,459.76, 19,956.60 and 9,155.07 is: 12,635.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,459.76 : 19,956.60 = 9,155.07 : x
  2. Step 2: Convert to fraction form
    14,459.76/19,956.60 = 9,155.07/x
  3. Step 3: Cross multiply
    14,459.76x = 19,956.60 × 9,155.07
  4. Step 4: Simplify right side
    14,459.76x = 182,704,069.96
  5. Step 5: Solve for x
    x = 182,704,069.96/14,459.76
  6. Step 6: Final answer
    x = 12,635.35

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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.