Home / 15,214.62-21,010.54-14,386.30

Finding the Fourth Proportional to 15,214.62, 21,010.54 and 14,386.30

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Solution

The fourth proportional to 15,214.62, 21,010.54 and 14,386.30 is: 19,866.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,214.62 : 21,010.54 = 14,386.30 : x
  2. Step 2: Convert to fraction form
    15,214.62/21,010.54 = 14,386.30/x
  3. Step 3: Cross multiply
    15,214.62x = 21,010.54 × 14,386.30
  4. Step 4: Simplify right side
    15,214.62x = 302,263,931.60
  5. Step 5: Solve for x
    x = 302,263,931.60/15,214.62
  6. Step 6: Final answer
    x = 19,866.68

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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.