Home / 10,501.26-14,486.63-6,721.39

Finding the Fourth Proportional to 10,501.26, 14,486.63 and 6,721.39

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Solution

The fourth proportional to 10,501.26, 14,486.63 and 6,721.39 is: 9,272.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501.26 : 14,486.63 = 6,721.39 : x
  2. Step 2: Convert to fraction form
    10,501.26/14,486.63 = 6,721.39/x
  3. Step 3: Cross multiply
    10,501.26x = 14,486.63 × 6,721.39
  4. Step 4: Simplify right side
    10,501.26x = 97,370,274.52
  5. Step 5: Solve for x
    x = 97,370,274.52/10,501.26
  6. Step 6: Final answer
    x = 9,272.25

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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.