Home / 12,965.48-19,347.04-11,569.24

Finding the Fourth Proportional to 12,965.48, 19,347.04 and 11,569.24

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Solution

The fourth proportional to 12,965.48, 19,347.04 and 11,569.24 is: 17,263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,965.48 : 19,347.04 = 11,569.24 : x
  2. Step 2: Convert to fraction form
    12,965.48/19,347.04 = 11,569.24/x
  3. Step 3: Cross multiply
    12,965.48x = 19,347.04 × 11,569.24
  4. Step 4: Simplify right side
    12,965.48x = 223,830,549.05
  5. Step 5: Solve for x
    x = 223,830,549.05/12,965.48
  6. Step 6: Final answer
    x = 17,263.58

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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.