Home / 10,613.84-14,647.19-6,637.26

Finding the Fourth Proportional to 10,613.84, 14,647.19 and 6,637.26

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Solution

The fourth proportional to 10,613.84, 14,647.19 and 6,637.26 is: 9,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,613.84 : 14,647.19 = 6,637.26 : x
  2. Step 2: Convert to fraction form
    10,613.84/14,647.19 = 6,637.26/x
  3. Step 3: Cross multiply
    10,613.84x = 14,647.19 × 6,637.26
  4. Step 4: Simplify right side
    10,613.84x = 97,217,138.50
  5. Step 5: Solve for x
    x = 97,217,138.50/10,613.84
  6. Step 6: Final answer
    x = 9,159.47

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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.