Home / 14,430.83-19,917.63-9,386.28

Finding the Fourth Proportional to 14,430.83, 19,917.63 and 9,386.28

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Solution

The fourth proportional to 14,430.83, 19,917.63 and 9,386.28 is: 12,955.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.83 : 19,917.63 = 9,386.28 : x
  2. Step 2: Convert to fraction form
    14,430.83/19,917.63 = 9,386.28/x
  3. Step 3: Cross multiply
    14,430.83x = 19,917.63 × 9,386.28
  4. Step 4: Simplify right side
    14,430.83x = 186,952,452.12
  5. Step 5: Solve for x
    x = 186,952,452.12/14,430.83
  6. Step 6: Final answer
    x = 12,955.08

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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.