Home / 15,401.07-21,254.40-9,031.23

Finding the Fourth Proportional to 15,401.07, 21,254.40 and 9,031.23

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Solution

The fourth proportional to 15,401.07, 21,254.40 and 9,031.23 is: 12,463.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401.07 : 21,254.40 = 9,031.23 : x
  2. Step 2: Convert to fraction form
    15,401.07/21,254.40 = 9,031.23/x
  3. Step 3: Cross multiply
    15,401.07x = 21,254.40 × 9,031.23
  4. Step 4: Simplify right side
    15,401.07x = 191,953,374.91
  5. Step 5: Solve for x
    x = 191,953,374.91/15,401.07
  6. Step 6: Final answer
    x = 12,463.64

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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.