Home / 19,339.76-29,009.24-10,459.33

Finding the Fourth Proportional to 19,339.76, 29,009.24 and 10,459.33

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Solution

The fourth proportional to 19,339.76, 29,009.24 and 10,459.33 is: 15,688.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.76 : 29,009.24 = 10,459.33 : x
  2. Step 2: Convert to fraction form
    19,339.76/29,009.24 = 10,459.33/x
  3. Step 3: Cross multiply
    19,339.76x = 29,009.24 × 10,459.33
  4. Step 4: Simplify right side
    19,339.76x = 303,417,128.61
  5. Step 5: Solve for x
    x = 303,417,128.61/19,339.76
  6. Step 6: Final answer
    x = 15,688.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.