Home / 19,302.71-26,640.09-11,345.67

Finding the Fourth Proportional to 19,302.71, 26,640.09 and 11,345.67

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Solution

The fourth proportional to 19,302.71, 26,640.09 and 11,345.67 is: 15,658.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,302.71 : 26,640.09 = 11,345.67 : x
  2. Step 2: Convert to fraction form
    19,302.71/26,640.09 = 11,345.67/x
  3. Step 3: Cross multiply
    19,302.71x = 26,640.09 × 11,345.67
  4. Step 4: Simplify right side
    19,302.71x = 302,249,669.91
  5. Step 5: Solve for x
    x = 302,249,669.91/19,302.71
  6. Step 6: Final answer
    x = 15,658.41

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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.