Home / 19,326.51-28,998.09-10,440.07

Finding the Fourth Proportional to 19,326.51, 28,998.09 and 10,440.07

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Solution

The fourth proportional to 19,326.51, 28,998.09 and 10,440.07 is: 15,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.51 : 28,998.09 = 10,440.07 : x
  2. Step 2: Convert to fraction form
    19,326.51/28,998.09 = 10,440.07/x
  3. Step 3: Cross multiply
    19,326.51x = 28,998.09 × 10,440.07
  4. Step 4: Simplify right side
    19,326.51x = 302,742,089.47
  5. Step 5: Solve for x
    x = 302,742,089.47/19,326.51
  6. Step 6: Final answer
    x = 15,664.60

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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.