Home / 14,303.31-21,430.73-8,663.93

Finding the Fourth Proportional to 14,303.31, 21,430.73 and 8,663.93

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Solution

The fourth proportional to 14,303.31, 21,430.73 and 8,663.93 is: 12,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.31 : 21,430.73 = 8,663.93 : x
  2. Step 2: Convert to fraction form
    14,303.31/21,430.73 = 8,663.93/x
  3. Step 3: Cross multiply
    14,303.31x = 21,430.73 × 8,663.93
  4. Step 4: Simplify right side
    14,303.31x = 185,674,194.10
  5. Step 5: Solve for x
    x = 185,674,194.10/14,303.31
  6. Step 6: Final answer
    x = 12,981.20

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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.