Home / 18,528.68-25,569.59-10,030.80

Finding the Fourth Proportional to 18,528.68, 25,569.59 and 10,030.80

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Solution

The fourth proportional to 18,528.68, 25,569.59 and 10,030.80 is: 13,842.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.68 : 25,569.59 = 10,030.80 : x
  2. Step 2: Convert to fraction form
    18,528.68/25,569.59 = 10,030.80/x
  3. Step 3: Cross multiply
    18,528.68x = 25,569.59 × 10,030.80
  4. Step 4: Simplify right side
    18,528.68x = 256,483,503.21
  5. Step 5: Solve for x
    x = 256,483,503.21/18,528.68
  6. Step 6: Final answer
    x = 13,842.51

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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.