Home / 19,430.42-26,807.27-10,931.19

Finding the Fourth Proportional to 19,430.42, 26,807.27 and 10,931.19

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Solution

The fourth proportional to 19,430.42, 26,807.27 and 10,931.19 is: 15,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430.42 : 26,807.27 = 10,931.19 : x
  2. Step 2: Convert to fraction form
    19,430.42/26,807.27 = 10,931.19/x
  3. Step 3: Cross multiply
    19,430.42x = 26,807.27 × 10,931.19
  4. Step 4: Simplify right side
    19,430.42x = 293,035,361.75
  5. Step 5: Solve for x
    x = 293,035,361.75/19,430.42
  6. Step 6: Final answer
    x = 15,081.27

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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.