Home / 15,852.17-21,875.95-9,137.76

Finding the Fourth Proportional to 15,852.17, 21,875.95 and 9,137.76

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Solution

The fourth proportional to 15,852.17, 21,875.95 and 9,137.76 is: 12,610.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,852.17 : 21,875.95 = 9,137.76 : x
  2. Step 2: Convert to fraction form
    15,852.17/21,875.95 = 9,137.76/x
  3. Step 3: Cross multiply
    15,852.17x = 21,875.95 × 9,137.76
  4. Step 4: Simplify right side
    15,852.17x = 199,897,025.80
  5. Step 5: Solve for x
    x = 199,897,025.80/15,852.17
  6. Step 6: Final answer
    x = 12,610.08

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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.