Home / 17,931.36-26,860.05-10,513.29

Finding the Fourth Proportional to 17,931.36, 26,860.05 and 10,513.29

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Solution

The fourth proportional to 17,931.36, 26,860.05 and 10,513.29 is: 15,748.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,931.36 : 26,860.05 = 10,513.29 : x
  2. Step 2: Convert to fraction form
    17,931.36/26,860.05 = 10,513.29/x
  3. Step 3: Cross multiply
    17,931.36x = 26,860.05 × 10,513.29
  4. Step 4: Simplify right side
    17,931.36x = 282,387,495.06
  5. Step 5: Solve for x
    x = 282,387,495.06/17,931.36
  6. Step 6: Final answer
    x = 15,748.25

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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.