Home / 13,095.84-18,070.68-7,430.16

Finding the Fourth Proportional to 13,095.84, 18,070.68 and 7,430.16

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Solution

The fourth proportional to 13,095.84, 18,070.68 and 7,430.16 is: 10,252.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.84 : 18,070.68 = 7,430.16 : x
  2. Step 2: Convert to fraction form
    13,095.84/18,070.68 = 7,430.16/x
  3. Step 3: Cross multiply
    13,095.84x = 18,070.68 × 7,430.16
  4. Step 4: Simplify right side
    13,095.84x = 134,268,043.71
  5. Step 5: Solve for x
    x = 134,268,043.71/13,095.84
  6. Step 6: Final answer
    x = 10,252.72

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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.