Home / 15,784.32-23,547.10-15,355.29

Finding the Fourth Proportional to 15,784.32, 23,547.10 and 15,355.29

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Solution

The fourth proportional to 15,784.32, 23,547.10 and 15,355.29 is: 22,907.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784.32 : 23,547.10 = 15,355.29 : x
  2. Step 2: Convert to fraction form
    15,784.32/23,547.10 = 15,355.29/x
  3. Step 3: Cross multiply
    15,784.32x = 23,547.10 × 15,355.29
  4. Step 4: Simplify right side
    15,784.32x = 361,572,431.42
  5. Step 5: Solve for x
    x = 361,572,431.42/15,784.32
  6. Step 6: Final answer
    x = 22,907.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.