Home / 15,370.81-23,026.65-9,430.36

Finding the Fourth Proportional to 15,370.81, 23,026.65 and 9,430.36

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Solution

The fourth proportional to 15,370.81, 23,026.65 and 9,430.36 is: 14,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,370.81 : 23,026.65 = 9,430.36 : x
  2. Step 2: Convert to fraction form
    15,370.81/23,026.65 = 9,430.36/x
  3. Step 3: Cross multiply
    15,370.81x = 23,026.65 × 9,430.36
  4. Step 4: Simplify right side
    15,370.81x = 217,149,599.09
  5. Step 5: Solve for x
    x = 217,149,599.09/15,370.81
  6. Step 6: Final answer
    x = 14,127.40

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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.