Home / 14,384.79-19,875.78-11,426.67

Finding the Fourth Proportional to 14,384.79, 19,875.78 and 11,426.67

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Solution

The fourth proportional to 14,384.79, 19,875.78 and 11,426.67 is: 15,788.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,384.79 : 19,875.78 = 11,426.67 : x
  2. Step 2: Convert to fraction form
    14,384.79/19,875.78 = 11,426.67/x
  3. Step 3: Cross multiply
    14,384.79x = 19,875.78 × 11,426.67
  4. Step 4: Simplify right side
    14,384.79x = 227,113,979.05
  5. Step 5: Solve for x
    x = 227,113,979.05/14,384.79
  6. Step 6: Final answer
    x = 15,788.48

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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.