Home / 14,393.99-19,870.38-10,148.51

Finding the Fourth Proportional to 14,393.99, 19,870.38 and 10,148.51

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Solution

The fourth proportional to 14,393.99, 19,870.38 and 10,148.51 is: 14,009.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,393.99 : 19,870.38 = 10,148.51 : x
  2. Step 2: Convert to fraction form
    14,393.99/19,870.38 = 10,148.51/x
  3. Step 3: Cross multiply
    14,393.99x = 19,870.38 × 10,148.51
  4. Step 4: Simplify right side
    14,393.99x = 201,654,799.81
  5. Step 5: Solve for x
    x = 201,654,799.81/14,393.99
  6. Step 6: Final answer
    x = 14,009.65

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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.