Home / 14,328.69-21,345.26-13,893.45

Finding the Fourth Proportional to 14,328.69, 21,345.26 and 13,893.45

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Solution

The fourth proportional to 14,328.69, 21,345.26 and 13,893.45 is: 20,696.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.69 : 21,345.26 = 13,893.45 : x
  2. Step 2: Convert to fraction form
    14,328.69/21,345.26 = 13,893.45/x
  3. Step 3: Cross multiply
    14,328.69x = 21,345.26 × 13,893.45
  4. Step 4: Simplify right side
    14,328.69x = 296,559,302.55
  5. Step 5: Solve for x
    x = 296,559,302.55/14,328.69
  6. Step 6: Final answer
    x = 20,696.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.