Home / 18,528.90-25,569.85-10,030.98

Finding the Fourth Proportional to 18,528.90, 25,569.85 and 10,030.98

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Solution

The fourth proportional to 18,528.90, 25,569.85 and 10,030.98 is: 13,842.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.90 : 25,569.85 = 10,030.98 : x
  2. Step 2: Convert to fraction form
    18,528.90/25,569.85 = 10,030.98/x
  3. Step 3: Cross multiply
    18,528.90x = 25,569.85 × 10,030.98
  4. Step 4: Simplify right side
    18,528.90x = 256,490,653.95
  5. Step 5: Solve for x
    x = 256,490,653.95/18,528.90
  6. Step 6: Final answer
    x = 13,842.74

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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.