Home / 12,583.48-17,365.40-6,918.47

Finding the Fourth Proportional to 12,583.48, 17,365.40 and 6,918.47

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Solution

The fourth proportional to 12,583.48, 17,365.40 and 6,918.47 is: 9,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583.48 : 17,365.40 = 6,918.47 : x
  2. Step 2: Convert to fraction form
    12,583.48/17,365.40 = 6,918.47/x
  3. Step 3: Cross multiply
    12,583.48x = 17,365.40 × 6,918.47
  4. Step 4: Simplify right side
    12,583.48x = 120,142,033.70
  5. Step 5: Solve for x
    x = 120,142,033.70/12,583.48
  6. Step 6: Final answer
    x = 9,547.60

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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.