Home / 21,476.08-29,638.98-12,526.48

Finding the Fourth Proportional to 21,476.08, 29,638.98 and 12,526.48

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Solution

The fourth proportional to 21,476.08, 29,638.98 and 12,526.48 is: 17,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476.08 : 29,638.98 = 12,526.48 : x
  2. Step 2: Convert to fraction form
    21,476.08/29,638.98 = 12,526.48/x
  3. Step 3: Cross multiply
    21,476.08x = 29,638.98 × 12,526.48
  4. Step 4: Simplify right side
    21,476.08x = 371,272,090.19
  5. Step 5: Solve for x
    x = 371,272,090.19/21,476.08
  6. Step 6: Final answer
    x = 17,287.70

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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.