Home / 15,441.47-21,303.15-10,070.17

Finding the Fourth Proportional to 15,441.47, 21,303.15 and 10,070.17

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Solution

The fourth proportional to 15,441.47, 21,303.15 and 10,070.17 is: 13,892.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441.47 : 21,303.15 = 10,070.17 : x
  2. Step 2: Convert to fraction form
    15,441.47/21,303.15 = 10,070.17/x
  3. Step 3: Cross multiply
    15,441.47x = 21,303.15 × 10,070.17
  4. Step 4: Simplify right side
    15,441.47x = 214,526,228.96
  5. Step 5: Solve for x
    x = 214,526,228.96/15,441.47
  6. Step 6: Final answer
    x = 13,892.86

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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.