Home / 18,953.09-28,421.37-10,066.47

Finding the Fourth Proportional to 18,953.09, 28,421.37 and 10,066.47

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Solution

The fourth proportional to 18,953.09, 28,421.37 and 10,066.47 is: 15,095.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953.09 : 28,421.37 = 10,066.47 : x
  2. Step 2: Convert to fraction form
    18,953.09/28,421.37 = 10,066.47/x
  3. Step 3: Cross multiply
    18,953.09x = 28,421.37 × 10,066.47
  4. Step 4: Simplify right side
    18,953.09x = 286,102,868.46
  5. Step 5: Solve for x
    x = 286,102,868.46/18,953.09
  6. Step 6: Final answer
    x = 15,095.32

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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.