Home / 15,430.28-23,131.55-5,567.27

Finding the Fourth Proportional to 15,430.28, 23,131.55 and 5,567.27

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Solution

The fourth proportional to 15,430.28, 23,131.55 and 5,567.27 is: 8,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430.28 : 23,131.55 = 5,567.27 : x
  2. Step 2: Convert to fraction form
    15,430.28/23,131.55 = 5,567.27/x
  3. Step 3: Cross multiply
    15,430.28x = 23,131.55 × 5,567.27
  4. Step 4: Simplify right side
    15,430.28x = 128,779,482.63
  5. Step 5: Solve for x
    x = 128,779,482.63/15,430.28
  6. Step 6: Final answer
    x = 8,345.90

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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.