Home / 15,688.36-21,657.06-10,030.84

Finding the Fourth Proportional to 15,688.36, 21,657.06 and 10,030.84

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Solution

The fourth proportional to 15,688.36, 21,657.06 and 10,030.84 is: 13,847.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,688.36 : 21,657.06 = 10,030.84 : x
  2. Step 2: Convert to fraction form
    15,688.36/21,657.06 = 10,030.84/x
  3. Step 3: Cross multiply
    15,688.36x = 21,657.06 × 10,030.84
  4. Step 4: Simplify right side
    15,688.36x = 217,238,503.73
  5. Step 5: Solve for x
    x = 217,238,503.73/15,688.36
  6. Step 6: Final answer
    x = 13,847.11

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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.